1、spring is _______ the best time to visit the islands. a、so far b、by far c、/ d、/
2、to__________matters, there are alternative terms to "friend": "mate", "pal", and "buddy". a、complicate b、clarify c、/ d、/
3、his friend helped a lot when he joined the army and failed to meet the__________to care for his parents. a、obligation b、potential c、/ d、/
4、our relationship____________over a financial dispute. a、last long b、went sour c、/ d、/
5、it really ___________me when my husband doesn’t help around the house. a、irritates b、irradiates c、/ d、/
6、he is very ___________ ; we never know what he’ll do next. a、unpredictable b、undemanding c、/ d、/
u2 language focus exericse (iexplore 1)
1、remember you must follow every step in the way i've shown you. a、remember you must follow every step as way i've show you. b、remember you must follow every step as i've shown you. c、/ d、/
2、everybody knows that their school is one of the top schools in china. a、as is known to everybody, their school is one of the top schools in china. b、everybody knows as their school is one of the top schools in china. c、/ d、/
3、i explained on the phone that your request will be considered at the next meeting. a、i explained on the phone as your request will be considered at the next meeting. b、as i explained on the phone, your request will be considered at the next meeting. c、/ d、/
4、we'd better leave things in the way they are until the police arrive. a、as we'd better leave things they are until the police arrive. b、we'd better leave things as they are until the police arrive. c、/ d、/
u2 language building exercise (iexplore 2)
1、we are ___________when we say that we will carry out this project. a、in other's shoes b、on solid ground c、/ d、/
2、slowly, a dark void (空虚感)found its way into my heart and began to ___________ my happiness. a、eat away at b、eat out c、/ d、/
3、if you have ___________ all the exercises in this book, you should be ready for the second-year course. a、followed through b、flipped through c、/ d、/
4、it won't come instantly, and you may__________from time to time, but don't let that deter you. a、backup b、backslide c、/ d、/
5、she and her college roommates _____________ after graduation. a、fall apart b、drifted apart c、/ d、/
6、in order to make things a bit more interesting, let's _________our table with some data. a、populate b、place c、/ d、/
unit 2 test
1、the main message conveyed in "friendship's like buying house" is that_______ . a、friendship is of great importance to human beings b、friendship has many unspoken rules and assumptions c、friendship is based on common interests and life goals. d、/
2、the author of "are your friends an elevator or a cage?" most probably wants to tell readers that_________ . a、people have different views about loyalty and usefulness. b、people should make new friends for different stages of life. c、people can control friendship and develop win-win ones. d、/
3、____________you know, julia is leaving soon. a、since b、do c、as d、/
4、the figure of speech used in "education is the key to the modernizations of our country" is_____________ . a、metaphor b、irony c、simile d、/
5、you'd better consider why communication has_______in your relationships. a、irritated b、gone sour c、populated d、/
unit 1 campus culture
u1 language building exercise (iexplore 1)
1、catherine's answer_________ a complete refusal. a、amounted to b、approved of c、/ d、/
2、our survey used a ________sample of 500 college students across the country. a、recalled b、random c、/ d、/
3、this novel is so interesting that i totally__________ myself in the plot. a、immerse b、intrigue c、/ d、/
4、the little boy _____________his head around the corner to see if his mother was back. a、poked b、pulled c、/ d、/
5、the little girl________ her mother’s hand in the crowd. a、catches up with b、holds fast to c、/ d、/
6、the u.s. refused to make concessions and threatened to________economic and military support. a、cut off b、cut in c、/ d、/
7、paul often _________ his anger on his wife if he has a bad day at work. a、relys b、vents c、/ d、/
8、bats can fly in total darkness and yet never_________anything. a、bump into b、flip into c、/ d、/
u1 language focus exericse (iexplore 1)
1、a major difference is that you are freer to ________ (do) whatever you want. a、be done b、do c、/ d、/
2、students need to _________ (warn) of the potential danger of living off campus. a、warn b、be warned c、/ d、/
3、the only sound to_______ (hear) was the soughing (嗖嗖声)of the wind. a、be heard b、hear c、/ d、/
4、after briefly explaining the project, our professor asked us to________(share) what type of experiences we had already had. a、be shared b、share c、/ d、/
5、it was impossible for lost time to________ (make up). a、be made up b、make up c、/ d、/
6、this platform is created to tell incoming first-year students what they need to _______(know) to "start out" at trinity college. a、be known b、know c、/ d、/
u1 language building exercise (iexplore 2)
1、when i stood __________, i got to know that he was more miserable than i. a、in his shoes b、in the wake c、/ d、/
2、no one is willing to__________ this difficult task. a、take on b、take out c、/ d、/
3、there's nothing we can do __________ wait for him to come. a、rather than b、other than c、/ d、/
4、she decided to quit her job__________ of the incident. a、in case b、in the wake c、/ d、/
5、sometimes i have difficulty finding the right words to express my __________ for those who suffer. a、sympathy b、gratitude c、/ d、/
6、we're simply going to have to do it, __________ how much it costs. a、regardless of b、worthy of c、/ d、/
unit 1 test
1、the message that is mainly conveyed in "finding home" is that _________ . a、first year college students ought to face up to the critical transition. b、one should reach out to people instead of staying alone in a new world. c、it takes time and courage for people to grow up and become independent. d、/
2、in the first year of college, the author of the text from iexplore 2 suffered from __________ . a、a serous psychological problem b、a troubled interpersonal relationship c、a physical problem caused by a parasite d、/
3、furthermore, something had to________ for the people as well as for the animals. a、do b、be done c、doing d、/
4、ultimately, their ideas ______ the same thing. a、amount to b、hold fast to c、bump into d、/
5、home is wherever we are together_________ where we go. a、other than b、in the wake of c、regardless of d、/
unit 3 the art of communication
u3 language building exercise (iexplore 1)
1、focused impeachment articles would not ________ from the power of the charges against mr. trump. a、distract b、detract c、/ d、/
2、i lost my ability to form _________ sentences, and i struggled to find words for even mundane items. a、coherent b、conjunction c、/ d、/
3、i find it encourages _________ and civil conversation. a、thoughtful b、impolite c、/ d、/
4、i _________ withdrew from the project. a、repeatedly b、reluctantly c、/ d、/
5、we are already being _________ by climate change. a、impacted b、withdrawn c、/ d、/
6、we were _________ in a vicious battle of the wills! a、engaged b、encouraged c、/ d、/
7、it hadn't occurred to them that their favorite food might not _________ the creature. a、sustain b、survive c、/ d、/
u3 language focus exericse (iexplore 1)
1、not until _______________. a、had i got home, i remembered b、i had got home, i remembered c、i had got home, did i remember d、had i got home, did i remember
2、only by calling them every hour of the day _____ to get what i wanted. a、did i manage b、i managed c、had i managed d、i had managed
3、so good ____ that he got the highest grade possible. a、being his marks b、his marks being c、his marks were d、were his marks
4、many a time _________ plan to divorce her husband, but she never did. a、she did b、did she c、would she d、she would
5、_________ should children be allowed to drive. a、no sooner b、under no circumstances c、whatsoever d、seldom
u3 language building exercise (iexplore 2)
1、people are not only living longer, but they’re often spending more years at the end of life with _______ illnesses. a、chronic b、chronicle c、/ d、/
2、i came here just to visit the museum and _______. a、that's it b、it's all c、/ d、/
3、cardboard boxes hadn’t been _______, including one large plank-shaped box bearing a helpful "fragile" warning. a、unzipped b、unpacked c、/ d、/
4、it _______ into the air, shredding into pieces. a、flirts b、flips c、/ d、/
5、electric air taxis are likely to fly low-level routes, especially from city to city, thus _______ traffic congestion on roads. a、relieving b、reassuring c、/ d、/
6、the _______ end of the pool is only three feet deep. a、hollow b、shallow c、/ d、/
unit 3 test
1、"my students don't know how to have a conversation" is mainly discussing that _________. a、teenagers use cell phones for texting in daily lives more than any other form of communication. b、children's access to electronic devices has grown fivefold in these several years. c、the more students use digital communication, the more interpersonal communication skills decline. d、/
2、which of the following solution is suggested by the author of iexplore 2? a、deep listening makes a big difference. b、showing enthusiasm while responding would definitely help. c、raising questions while listening is a good technique. d、/
3、when you're called on in class, you have to be able to think _________ your feet. a、of b、on c、down d、/
4、his heart ________ the way it always did when she left him. a、sinking b、sink c、sank d、/
5、flipping ________ the channels, i came across an old war movie. a、through b、out c、into d、/
unit 4 on the road
u4 language building exercise (iexplore 1)
1、she ________ large profits from her unique invention. a、shared b、reaped c、/ d、/
2、i think you will love this house once we get inside—the pictures really don't ________ its charm. a、do justice to b、live up to c、/ d、/
3、they stay together ________ their children. a、for the sake of b、in case of c、/ d、/
4、the mere subject of the book or magazine might help ________ a conversation. a、strike on b、strike up c、/ d、/
5、the song would ________ us for months. a、haunt b、linger c、/ d、/
6、we pushed the car ________, but we still couldn't get it started. a、as it's worth b、for all we were worth c、/ d、/
u4 language focus exericse (iexplore 1)
1、把这么好的机会放弃掉太愚蠢了。 a、it is just silly throwing away your chances like that. b、throwing away your chances like that is silly. c、/ d、/
2、能再次收到你的信太好了。 a、that is nice to hear from you again. b、it's nice to hear from you again. c、/ d、/
3、他们不可能同意。 a、they will agree. that is unlikely. b、it's unlikely that they will ever agree. c、/ d、/
4、你能到我家来，我很高兴。 a、it would be a pleasure to have you in my house. b、to have you in my house would be a pleasure. c、/ d、/
5、下不下雨都无所谓。 a、whether it rains or not does not matter. b、it does not matter whether it rains or not. c、/ d、/
6、从这儿出去而不受伤似乎不太可能。 a、it seems impossible to get out of here unharmed. b、to get out of here unharmed seems impossible. c、/ d、/
u4 language building exercise (iexplore 2)
1、people in this small village have never been __________ to western life. a、explored b、exposed c、/ d、/
2、i have to combat this __________ desire to eat chocolate. a、constant b、concise c、/ d、/
3、winning first place must have been quite a __________. a、thrill b、thirst c、/ d、/
4、she has __________ knowledge of english grammar. a、extending b、extensive c、/ d、/
5、it is difficult to __________ creative ways to do it every year. a、figure out b、come up c、/ d、/
6、i saw her show in manchester and it just __________. a、made up my mind b、blew my mind c、/ d、/
unit 4 test
1、the answer to the question raised in the title of iexplore 1 "why you should travel young?" is that___________. a、traveling is one of those habits formed in early life that will bring about lifelong benefits. b、traveling allows you to feel more connected to your fellow human beings in a deep and lasting way. c、young people are full of energy and can experience more in travelling. d、/
2、in iexplore 2, the author conveys the idea that_____________ . a、it's better to travel in a place where few people go. b、exploring the surrounding areas is more interesting than travelling far away. c、every experience of travel has unique value wherever you go. d、/
3、___ is certain that he left the place in haste. a、it b、that c、this d、/
4、cultivating an open mind allows us to ____________ great rewards. a、invest b、sow c、reap d、/
5、fire has caused __________ damage to the island's forests. a、accessible b、extensive c、privileged d、/
unit 5 loving family
u5 language building exercise (iexplore 1)
1、scientists have found that most animals are more _______ than we think. a、intelligent b、unconscious c、/ d、/
2、i'm very ___________ your timely support. a、consistent for b、grateful for c、/ d、/
3、she has some ___________ plans for her business. a、ambiguous b、ambitious c、/ d、/
4、he was ________ to see jeannie reach the other side of the river safely. a、relieved b、relieving c、/ d、/
5、the engineer ____________ explained how the machine worked to the clients. a、individually b、painstakingly c、/ d、/
6、she started studying english, but _________ to law in her second year. a、switched b、exchanged c、/ d、/
7、outside, a group of students were ___________ research cuts. a、protesting b、proposing c、/ d、/
8、the teacher is very good at creating a _________ learning environment. a、stimulating b、simulating c、/ d、/
u5 language focus exericse (iexplore 1)
1、the secretary worked late into the night, _________ a speech for the president. a、prepared b、preparing c、to prepare d、/
2、"can't you read?", mary said __________ to the sign. a、angrily pointed b、angrily pointing c、and angrily pointing d、/
3、he put on his coat and went school, ________ his backpack. a、carrying b、to carry c、carried d、/
4、you are a worrier, _________ problems which don't exist. a、to see b、seen c、seeing d、/
5、deeply _________ by the story, the children started to cry. a、moved b、moving c、be moved d、/
u5 language building exercise (iexplore 2)
1、i have very__________ memories of living in our small village. a、fond b、favorite c、/ d、/
2、the drop - down menu lets him __________ functions whose names he's forgotten. a、claim b、rediscover c、/ d、/
3、a __________ is someone who enjoys growing flowers or vegetables. a、gardener b、plumber c、/ d、/
4、i was looking for my handbag, which was __________ under a pile of old newspapers. a、hide b、buried c、/ d、/
5、silent as a mouse, he patiently opened the long buried treasures and soon __________ a sea of memories. a、was found in b、was lost in c、/ d、/
6、not eager for classroom learning, tom sawyer had a __________ for adventure. a、hunger b、pride c、/ d、/
unit 5 test
1、in the story of iexplore 1, why did the mother take the little girl for a walk in the yard that noon? a、to help her practice her lines in the play. b、to make her relax after her hard work. c、to encourage her to be proud of her role. d、/
2、at the very beginning the father in iexplore 2 planned to find ________. a、his son's journey that was buried somewhere in the attic b、his own business journal of those days c、a photo of the love of his life d、/
3、_________ down the book i was reading, i walked to the window. a、putting b、to put c、put d、/
4、she's very grateful ________ what you have done for her. a、to b、for c、with d、/
5、she is __________ of collecting rare carpets whenever she gets a chance to travel abroad. a、fond b、rediscovered c、buried d、/
unit 6 to be or not to be
u6 language building exercise (iexplore 1)
1、a teenager roll skating in the street saw him when he ____________ into the garden. a、slipped b、skipped c、/ d、/
2、otherwise, you've got to ____________ me that they're not true. a、urge b、convince c、/ d、/
3、why don't you spend your holiday doing something that would ____________ your experience of being alive. a、enable b、enrich c、/ d、/
4、she chatted with a friend over the phone while ___________a magazine. a、leafing through b、leafing across c、/ d、/
5、lora does yoga in____________of health and happiness. a、behalf b、pursuit c、/ d、/
6、i would have been to the concert and enjoyed the time with my favorite pianist ____________ the heavy rain. a、if it hasn't been for b、if it hadn't for c、/ d、/
u6 language focus exericse (iexplore 1)
1、taking full responsibility for your own choices can make even failure feel like a success. a、gerund b、present participle c、/ d、/
2、after graduating from college, he resumed the practice of medicine in norwalk, ohio. a、gerund b、present participle c、/ d、/
3、the university offers a new, more flexible program allowing students to pursue their interests. a、gerund b、present participle c、/ d、/
4、there have been many turning points in my life, but the most significant one was when i was eight years old. a、gerund b、present participle c、/ d、/
5、what factors should we consider when making a choice? a、gerund b、present participle c、/ d、/
u6 language building exercise (iexplore 2)
1、we bought the house near the garden after careful___________ . a、preference b、deliberation c、/ d、/
2、whatever you say, he can find 10 different reasons to ___________his viewpoint. a、back up b、bring about c、/ d、/
3、if no one helps him, he may___________being a beggar. a、end up b、make sense c、/ d、/
4、in his speech, he spoke of how his education gave him powerful tools to start a business and___________changes. a、bring along b、bring about c、/ d、/
5、after retirement, he felt he was___________pressure. a、put in b、freed from c、/ d、/
6、my___________reaction was to decline the offer. but later i changed my mind. a、minimal b、initial c、/ d、/
7、it does not___________for us to have talks unless we think it is going to be fruitful. a、make sense b、have sense c、/ d、/
unit 6 test
1、the author of the text from iexplore 1 mainly wants to express that___________. a、choosing a college major is one of the most difficult decisions b、factors such as social and financial status influence decisions c、one should follow his interests when making decisions on major d、/
2、the main purpose of the text from iexplore 2 is to ___________ . a、emphasize the importance of passion in choosing career paths b、suggest letting passion follow the choice in deciding on careers. c、point out the wrongness of "following your passion" d、/
3、in "i am sure they will enjoy listening to pop music," "listening" is a(n) ___________ . a、gerund b、present participle c、adjective d、/
4、if i had come home earlier last night, i would have met my best friend. this unreal conditional sentence expresses___________ . a、gratitude b、regret c、joy d、/
5、nothing in this house is by chance. it is the result of great___________ . a、decision b、courage c、deliberation d、/
unit 7 evolving technology
u7 language building exercise (iexplore 1)
1、we must encourage the planting of new trees and ___________ our existing woodlands. a、preserve b、protect c、/ d、/
2、air bags are only___________when the car is struck from the front. a、delayed b、deployed c、/ d、/
3、the crash was___________by millions of viewers who were watching the race on tv. a、witnessed b、waited c、/ d、/
4、the news will ___________ to his colleagues. a、come as a fact b、come as a surprise c、/ d、/
5、funds were ___________ for projects in low-income areas. a、designated b、designed c、/ d、/
6、the preparation stage of this exercise asks you to ___________ , setting aside time to ask yourself some probing questions. a、dig deep b、dig into c、/ d、/
u7 language focus exericse (iexplore 1)
1、i have no idea __________ he will be back. a、when b、what c、that d、where
2、he must answer the question ___________ he agrees to it or not. a、if b、whether c、what if d、that
3、several years later，word came __________ napoleon himself was coming to inspect them． a、when b、which c、that d、what
4、the thought came to him __________ maybe the enemy had fled the city. a、where b、to which c、what d、that
5、his suggestion __________the meeting be delayed was turned down. a、which b、of which c、that d、what
6、the idea __________ computers can recognize human voices surprises many people. a、of which b、that c、why d、if
u7 language building exercise (iexplore 2)
1、with the dslr camera (数码单反相机) becoming more and more popular, its video function has really broken into the__________ . a、mainstream b、reality c、/ d、/
2、as games blend our real and__________environments, should there be concern that some people will be less able to distinguish the two? a、false b、virtual c、/ d、/
3、vr technology allows us to admire the __________ of a place without stepping out of home. a、vision b、scenery c、/ d、/
4、facebook is ready to make the application of virtual reality in our lives a(n) __________ . a、commonplace b、average c、/ d、/
5、nevertheless, she called for extreme vigilance (警惕)against a(n)__________ she characterized as both very serious and very contagious. a、sickness b、ailment c、/ d、/
6、multi-party elections are scheduled some time next year but many doubt whether this is a __________ goal. a、real b、realistic c、/ d、/
7、i had to keep the video camera readily __________ in case i saw something that needed to be filmed. a、accessible b、affordable c、/ d、/
unit 7 test
1、and nowadays, it is not surprising that the rise of modern chinese technology ______ built on a long history of innovation. a、was b、are c、is d、were
2、which of the following statements is not true according to iexplore 2? a、we will get access to the vr technology as easily as we do now with a cell phone. b、the text focuses on the vr technologies that have already been applied to many fields. c、current 3d films have failed to live up to the expectations of the audience. d、vr has limitless potential to change our life and the world.
3、mr. smith, ________, is very kind to us. a、whose teacher b、our new teacher c、he teaches d、he taught
4、the park was created to____________some of the forests upstate. a、prevent b、progress c、prevail d、preserve
5、the website allows you to take a ____________ tour of the museum. a、visual b、virtual c、exclusive d、overall
unit 8 culture and tradition
u8 language building exercise (iexplore 1)
1、the new drug can be more effective against cancer when ____________ with radiation therapy. a、compelled b、combined c、confronted d、/
2、the source of her ____________ rests in the way she uses her eyes. a、virtue b、charm c、quest d、/
3、interviews are a chance for potential employees to get a sense of how well they will ____________ the company's work environment. a、fit on b、fit over c、fit into d、/
4、at least he was considerate enough not to ____________ on her obvious interest in luxuries. a、comment b、oppose c、commit d、/
5、the novel was so____________ that i couldn't put it down. a、compelling b、disappointing c、industrious d、/
6、we are ____________ to giving you the most sincere and thoughtful service. a、compelled b、complained c、committed d、/
7、judge kelso has a ____________ for being strict but fair. a、diligence b、estimation c、reputation d、/
8、it is in swimming that gabbi ____________ and her sister struggles. a、diversifies b、excels c、crouches d、/
u8 language focus exericse (iexplore 1)
1、- we are trying to create jobs so everybody can make their own living. - everybody depends on the government for a hand-out. a、we are trying to create jobs so everybody can make their own living in opposition to depending on the government for a hand-out. b、everybody depends on the government for a hand-out as opposed to trying to create jobs so everybody can make their own living. c、/ d、/
2、-we should not only study all the time. -we should go out and practice. a、we should only study all the time in opposition to going out and practice. b、we should go out and practice as opposed to only studying all the time. c、/ d、/
3、- i know yoga has an effect on the physical fitness. - but i focus more on the healing aspect of yoga. a、i know yoga has an effect on the physical fitness in opposition to focusing more on the healing aspect of yoga. b、i focus more on the healing aspect of yoga as opposed to the physical fitness. c、/ d、/
4、- students should discuss ideas. - students should not just copy from books. a、students should not just copy from books, in opposition to discussing ideas. b、students should discuss ideas, as opposed to just copying from books. c、/ d、/
u8 language building exercise (iexplore 2)
1、a man __________ dennis answered the door. a、asked b、named c、pointed d、/
2、don't __________ things as isolated. a、associate b、hold c、view d、/
3、sailors travelled to the new world with the urge to __________ and explore. a、conquer b、conquest c、respect d、/
4、my mother is __________ in high respect by her colleague. a、viewed b、held c、regarded d、/
5、historically, the country expanded either by military __________ or by immigration. a、symbol b、conquest c、honor d、/
6、at one time, people __________ to the city as the paris of the east. a、referred b、decorated c、associated d、/
7、i always __________ the smell of baking with my childhood. a、rescue b、remember c、associate d、/
unit 8 test
1、what is the text of iexplore 1 mainly about? a、the chinese in the westerners' eyes. b、the cultural values of the chinese. c、the chinese trait of diligence. d、moral and work ethics in china.
2、what do you learn from the text of iexplore 2? a、the dragon is a national symbol in the west. b、eastern dragons are valued and respected. c、dragons are frightening monsters. d、boats were built to honor dragons in china.
3、but why not __________ traditions of the past with the innovations of the future? a、conquer b、combine c、comment d、name
4、his __________ for ability and integrity as a judge was high even with his enemies. a、reputation b、excel c、conquest d、view
5、we are all passionately __________ to our work in africa. a、committed b、fit c、referred d、associated
final exam
final exam i
1、i tried to avoid her, but it was just my luck to _______ her. a、bump into b、lean on c、catch up in d、pick up
2、social problems _______ up in the wake of natural disasters. a、occurred b、cleared c、emerged d、appeared
3、investigators are _______ the causes of the plane crash. a、demanding b、probing c、irritating d、counseling
4、he is _______ trying to overcome his weakness. a、consciously b、conscientiously c、reluctantly d、deliberately
5、she is accused of failing to _______ with the problems of her staff. a、accompany b、come up c、compile d、engage
6、then he _______ sides and turned against his former allies. a、transmitted b、transferred c、exchanged d、switched
7、can you _______ conversations with new people easily? a、hang on b、stick by c、strike up d、work out
8、the test will tell you if you've been _______ to the virus. a、revealed b、exposed c、filtered d、overrated
9、you can use a computer to _______ a photograph into a greeting card. a、adjust b、alter c、transform d、transmit
10、judge roberts' comments provoked a _______ public response. a、furious b、violent c、accidental d、indifferent
11、the team suffered a major _______ when their best player was injured. a、comeback b、setback c、shutdown d、drop-down
12、the research would give scientists new _______ into what is happening to the earth's environment. a、insights b、investigations c、intelligence d、perspectives
13、the report says design faults in both the vessels _______ to the tragedy. a、resorted b、amounted c、attributed d、contributed
14、irving brokaw, who had studied figure skating in europe, returned to the us and _______ the new sport. a、idealized b、modernized c、popularized d、industrialized
15、______ to up-to-date financial information is important to our success. a、approach b、access c、availability d、assessment
16、the woman _______ her eyes against the sun’s glare when she got out of her vehicle. a、sheltered b、shielded c、exposed d、separated
17、it is reasonable that people suffering from insomnia are sometimes _______ to over-lighting. a、overcritical b、overestimated c、oversensitive d、overabundant
18、your visa will expire soon. it is necessary for you to_______ it within a month. a、restore b、recharge c、renew d、renovate
19、he built a pair of wings of a size suitable to _______ his own weight, and made use of gravity as his motor. a、entertain b、retain c、obtain d、sustain
20、the development of technology has turned the world into a global village. _______, the gap between cultures cannot be ignored. a、in addition b、as a result c、moreover d、nevertheless