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作者2023-10-22 23:22:00外贸问答 78 ℃0 评论

his boss lost a car last night. the car was white. the car was expensive. the car was very pretty.

拉压刚度为ea的直杆受轴向拉伸如图示。该杆的应变能为ve,下列式中哪一个是正确的?

【单选题】发电机将发动机的部分机械能转化为( )。

children were at school, my huand was at work and the house was quiet.

对于受扭杆件三个结论:1、最大切应力只出现在横截面上;2、在横截面上和包含杆件轴线的纵向截面上均无正应力;3、圆轴内最大拉应力的值和最大切应力的值相等。答案正确的是?

材料力学作为一门独立的学科是从何处发展起来的?

采用swot分析方法对企业内外部环境进行综合分析。其中,o表示( )。

【单选题】发动机各个机构和系统的装配基体是( )。

the statue of liberty is one of the most famous monuments in the world. in the nineteenth century, the people of france presented to the united states of america. the statue was great. auguste bartholdi designed it. he took ten years to complete it. he used copper to make the actual figure. he used a metal framework to support it. the framework was eiffel especially constructed. they transported it to the united states. before this, they had to find a site for the statue. they had to build a pedestal for it. they chose a site. it was an island. it was at the entrance of new york harbour. by 1884, they erected a statue in paris. it was 151 feet tall. in the following year, they took it to pieces. they sent it to america. by the end of 1886 october, they put the statue together again. bartholdi officially presented it to the american people. ever since then, it was a symbol for the millions of people. they passed through new york harbour. they wanted to make their homes in america.

【判断题】为了保证有足够的传动惯量,并尽可能减小飞轮的质量,应使飞轮的大部分质量都集中在轮心上,因而轮心通常做得大而厚。( )

you sent me a present recently and thank you very much for it.

not long ago, on the aegean island of kea, archaeologists made an interesting discovery. there was a temple in an ancient city on the promontory of ayia irini. an american team explored it. the city must be prosperous for a period of time. it once had a high level of civilization. houses generally had three storeys high. they were made of stone. rooms inside were very big. walls were decorated beautifully. the city even laid out a drainage system. under the narrow streets, people found a lot of pipes. they were made of earth. the archaeologists explored the temple. people used the temple for prey and worship from the fifteenth century b.c. to roman times. in the most holy room of the temple, people found pieces of fifteen statues. they all were made of earth. each of them stood for a goddess. once they were painted.

【单选题】正常工作的发动机,其机油泵的限压阀应该是( )。 

my nephew is named george. he has a box. the box is used to save money. it is always empty.

根据国际收支调整的货币方法,如果初始状态时国内货币市场处于均衡状态,则该国紧缩信贷会导致()

在applet的方法中,下列哪个方法将在关闭浏览器时执行,以释放applet占用的资源?

通过哪个方法可以改变按钮的颜色?

下列选项能正确定义一个整形数组的是:

下列哪些是合法标识符?

以下程序的运行结果为: 1. public class conditional { 2. public static void main(string args [] ) { 3. int x = 4; 4. system.out.println( "value is " 5. ((x > 4) ? 99.99 : 9)); 6. } 7. }

以下叙述那个正确?

如何能使程序调用base类的构造方法输出"base constructor"; class base{ base(int i){ system.out.println("base constructor"); } base(){ } } public class sup extends base{ public static void main(string argv[]){ sup s= new sup(); //one } sup() { //two } public void derived() { //three } }

设有类定义如下: class inout{ string s= new string("between"); public void amethod(final int iargs){ int iam=5; iam ; class bicycle{ public void sayhello(){ //here } } } public void another(){ int iother; } } 以下哪些语句可以安排在//here处 ?

下列关键字中用于明确抛出一个异常的是?

我国规定的交流安全电压为48v、36v、()。

自定义异常的父类是?

当2个实际参数分别为4和0时,以下方法调用的执行结果为: public void ide(int a, int b) { try { int c = a / b; } catch (exception e) { system.out.print("exception "); } finally { system.out.println("finally"); } }

在rlc串联电路中,已知

执行以下代码段后,x,a,和b的值为?1.intx,a=6,b=7;2.x=a b ;

定义常量时使用的关键字是

由发展改革委负责审批的项目,其项目建议书由具备相应资质的()级工程咨询机构编制。

下列复合物中哪些不是起始反应的产物?( )

如果函数列在区间i上连续,的极限函数连续,那么一定一致收敛到

关于幂级数,下列说确的有( )

判别级数的敛散性。

级数收敛。

人类历史上比较重要的血缘关系有()。

函数项级数在[0, 1]上一致收敛

判别级数的敛散性

项目决策论证工作的补偿费用项目包括直接成本、间接费用、法定税费、利润和()。

函数的幂级数站开始为

技术可行性是指研究在系统开发过程中可能涉及的各种合同、侵权、责任以及各种与法律相抵触的问题。()

初始社会化的主要社会化机构是()。

级数收敛。

函数的麦克劳林展开式为()

有意识地将想贬低或攻击的事物加上一个不好的标签,或同不好的事物联系起来。这叫( )

有效自我展示最重要的基础是

重章叠句的结构形式便于记诵,也为歌者提供了即编即唱的回旋空间。

态度改变机制系统结构要素中的信息传达者是( )

20世纪60年代,一些分析家预测:随着经济抱负以及政治激进态度的膨胀,黑人会对“出世的”主流黑人教堂产生不满情绪。分析单位是:

传播功能的空前强大表现在

下列中实行单一制的是()。

五声调式是由五个音构成的调式。

要赞美与讨好交际对象,首先必须要( )

说服者使被说服者相信如果顺从,说服者有十足的把握能给被说服者带来正面后果的整体性策略是( )

内蒙民歌《嘎达梅林》是( )。

畲族民歌按照曲调的主要流传地命名,可分为 ( )

回报型策略组是说服者答应给予被说服者想得到的东西,如( )等。

链形网复用段1 1保护业务颗粒为( )。

以下说确的有( )

生物多样性不包括下列哪一项 。

-go that way and take a seat.- ____.

组成群落的种类越丰富,用于计算群落物种数目的最小面积就越小。

he seldom does his homework at school on weekdays, ____ he?

在植物群落的发展变化过程中,一个群落由另一个群落取代的过程叫 。

按照技术复杂程度及劳动熟练程度划分等级和规定相应的工资标准,在以员工所达到的技术水平评定技术等级和标准工资的工资等级制度是()。

()决定了相应的动机结构。

藤本植物和附生植物在下列哪种群落中最常见 。

摘星换斗势的纠正方法:目上视时,注意松腰、收腹。此说法( )

员工报酬的功能体现在()。

以下哪个项目是健身气功的新( )

if you go by car, you'll get there ____ 40 minutes.

he is a kind-hearted and ____ gentleman.

类和对象建模用语描述一个系统的

以下哪个项目是健身气功( )

int占2个字节

对于便秘患者的护理措施,下列不妥的是

随机数是用什么对象表示的

下列花序中,花的开放次序由下向上的是( )。

对于严重腹泻的患者,对其饮食的护理可考虑给予

服用强心苷类药物的病人(成人),心率每分钟少于多少次时应暂停服用

double在内存中占8个字节

运算符最好写到复杂的表达式中,而不要单独写

以下不符合区域变电所的址要求的是( )。

患者男性,68岁,诊断为糖尿病酮症酸中毒,该患者排出的尿液有

患者,男性,14岁。肠道内积聚过量气体不能排出,伴腹胀及胀痛。下列护理措施错误的是

森林群落从上往下依次可以划分为( )。

1e7 是不合法的,因为它不是标识符

排便时有鲜血滴出,提示

二维数组的写法是[,]

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