皮皮学，免费搜题
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【单选题】
如图是某同学在高倍显微镜视野下看到的图象.图中目镜测微尺每实际长度是1.68微米.这个视野中紧贴测微尺右边的一个完整洋葱表皮细胞长径约为( )A.
50.4微米
B.
67微米
C.
40 微米
D.
30微米
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【单选题】The largest ever _____ 16th Asian Games is _____ huge success and the best ever in history. [ ]
A.
the; /
B.
/; a
C.
the; a
D.
/; /
【单选题】Suppose there is a rise in the real wage rate. As a result, the quantity of labor demanded
A.
increases.
B.
decreases.
C.
does not change because there is no change in the money wage rate.
D.
increases only if the price level also decreases.
【单选题】An increase in labor productivity ________ the real wage rate and an increase in population ________ the real wage rate.
A.
raises; lowers
B.
raises; raises
C.
lowers; lowers
D.
lowers; raises
【单选题】The real wage rate will fall if the
A.
labor supply curve shifts rightward and the labor demand curve does not shift.
B.
labor supply curve shifts leftward and the labor demand curve does not shift.
C.
labor demand curve shifts rightward and the labor supply curve does not shift.
D.
labor demand curve shifts rightward more than the labor supply curve shifts rightward.
【单选题】As the real wage rate increases, the
A.
quantity of labor supplied increases.
B.
supply of labor curve shifts rightward.
C.
supply of labor curve shifts leftward.
D.
quantity of labor supplied increases and the supply of labor shifts rightward.
【单选题】The government announces a tax increase on workers' wages to take effect in the future. What happens to current employment and the real wage rate?
A.
Both employment and the real wage rate would increase.
B.
Both employment and the real wage rate would decrease.
C.
Employment would increase and the real wage would decrease.
D.
Employment would decrease and the real wage would increase.
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