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【简答题】
Directions : Read the following text. Choose the best word or phrase for each numbered blank and mark A, B,C, or D on ANSWER SHEET 1. Even today in the modern, developed world, surveys show that parents still prefer to have a boy rather than a girl. One longstanding reason why boys have been (26) as a greater blessing has been that they are (27) to become better economic providers (28) their parents 'old age.Yet it is time for parents t0 (29) again. Girls may now be a better investment. Girls get better (30) at school than boys, and in most developed countries more women than men go to (31) . Women will thus be better (32) for the new jobs of the 21st century, in which brains (33) a lot more than physical strength. In Britain far more women than men are now (34) to become doctors. And women are more (35) to provide sound advice on investing their parents 'nest egg. Surveys show that women consistently (36) higher financial returns than men do. (37) , the increase in female employment in the rich world has been the main (38) force of growth in the past couple of decades. Those women have (39) more to global GDP growth than have either new technology or the new giants, China and India. Add the (40) of housework and child-rearing, and women probably account (41) just over half of the world output. It is (42) that women still get paid less and few (43) it to the top of companies, but, (44) prej-udice fades over coming years, women will have great scope t0 (45) their prlductivity and in-comes. 26. [ A] seen [ B ] observed [ C] watched [ D] noticed
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【单选题】柴油机的连杆大头一般采用(),汽油机的连杆大头一般采用平切口连杆。
A.
斜切口连杆
B.
平切口连杆
C.
都不是
【判断题】计算机中所有信息的存储都采用八进制
A.
正确
B.
错误
【简答题】汇合点(Meeting point)必须是()知识才有用
【多选题】下列关于网络调查法的说法中正确的有( )
A.
网络调查法是一种无特定调查样本和调查对象的调查方式
B.
网络调查对象对问卷的填答完成处于一种放任的或完全自愿的状态
C.
网络调查对的性质、调查的回收率、调查的质量得不到很好的保证,结果具有较大偏差
D.
网络调查就是研究者利用互联网向特定对象发送调查问卷,同时也通过互联网将被调查者填答好的问卷收回的调查方法
E.
网络调查法的最大优点是方便快捷,节省费用,但是调查对象的范围有一定的局限
【多选题】网络调查的局限性有 ( )
A.
调查结果的可信度不容乐观
B.
问卷设计受到限制
C.
对被调查者的身份验证有很大困难
D.
回答率比较低
【判断题】常数函数的极限是它本身。
A.
正确
B.
错误
【单选题】柴油机的连杆大头一般采用( ),汽油机的连杆大头一般采用平切口。
A.
斜切口连杆
B.
平切口连杆
C.
都不是
【多选题】网络调查的特点有()。
A.
调查对象的局限性不受控制
B.
传播迅速
C.
回答率难以控制
D.
可以对调查过程进行控制
【多选题】网络调查的局限性有______。
A.
调查结果的可信度不容乐观
B.
问卷设计受到限制
C.
对被调查者的身份验证有很大困难
D.
互联网的安全性阻碍了网络调查的发展
【简答题】汇合点(Meeting point)必须是(?)知识才能起到相应的作用
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