如果劳动力需求曲线是（），则当工资率上升时，该类劳动力的工资_爱下问搜题

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问题单项选择题

如果劳动力需求曲线是（），则当工资率上升时，该类劳动力的工资总量保持不变。

A.富有弹性的

B.缺乏弹性的

C.没有弹性的

D.单位弹性的

答案

参考答案：D

解析：如果劳动力需求曲线是单位弹性的，那么无论工资率是上升还是下降，劳动力需求量在相反方向变动的速度都会与工资率的变动速度相同，因而最终该类劳动力的工资总量不会发生任何变化。

完形填空

完形填空。

Do the boys and girls have the same favorite subjects? The answer is 1 . There are many differences (不同) between boys and girls 2 school. As we know, sometimes we say boys 3 math and girls like English. That's right. Many boys like P.E. And 4 like science and math, too. Many 5 like Chinese and
English, 6 science and math 7 their favorite subjects. Girls usually don't like math 8 science. 9 don't girls and boys have the same favorite subjects? We don't know. 10 you know?

( )1.  A. no
( )2.  A. on
( )3.  A. likes
( )4.  A. we
( )5.  A. girls
( )6.  A. or
( )7.  A. is
( )8.  A. so
( )9.  A. Why
( )10. A. Have

B. not
B. at
B. are like
B. us
B. girl
B. but
B. isn't
B. but
B. What
B. Do

C. yes
C. of
C. like
C. them
C. boys
C. and
C. aren't
C. and
C. When
C. Does

D. don't
D. to
D. aren't like
D. they
D. teachers
D. because
D. are
D. or
D. Where
D. Are

判断题

制图所要解决的主要矛盾，是如何在只有两个向度的平面(图纸)上，将具有两个向度的物体的形状和大小准确的表示出来。