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【单选题】
带传动是利用( )作为中间挠性件,依靠带与带之间的摩擦力或啮合来传递运动和动力。A.
从动轮
B.
主动轮
C.
带
D.
带轮
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反馈参考答案：
举一反三
【单选题】If the nominal interest rate is 6 per cent and the inflation rate is 3 per cent, the real interest rate is
A.
3 per cent.
B.
5 per cent.
C.
6 per cent.
D.
9 per cent.
【单选题】If the nominal interest rate is 7 per cent and the inflation rate is 3 per cent, then the real interest rate is
A.
-4 per cent
B.
3 per cent
C.
4 per cent
D.
10 per cent
【单选题】The computer center, _______last year, is very popular among the students in this school.
A.
open
B.
opening
C.
having opened
D.
opened
【单选题】One of the basic roles of computer security is to change your((73))regularly.
A.
name
B.
computer
C.
password
D.
device
【单选题】If the sacrifice ratio is five, a reduction in inflation from 7 per cent to 3 per cent would require
A.
a reduction in output of 20 per cent.
B.
a reduction in output of 5 per cent.
C.
a reduction in output of 15 per cent.
D.
a reduction in output of 35 per cent.
【单选题】If the real interest rate is 4 per cent, the inflation rate is 6 per cent, and the tax rate is 20 per cent, what is the after tax real interest rate?
A.
1 per cent
B.
2 per cent
C.
3 per cent
D.
4 per cent
【单选题】下列激酶复合物能推进细胞从G2期进入M期的是
A.
cyclinA +CDK1
B.
cyclinA +CDK2
C.
cyclinB+CDK1
D.
cyclinD+CDK4
E.
cyclinD+CDK6
【单选题】根据本课程推荐的方式,以下哪句话更适合来安慰刚刚考试失利的那个TA?()
A.
没事，下一门考好就好啦
B.
这有啥，过两天不就没事啦
C.
来玩局游戏，安慰一下你受伤的小心灵
D.
这一次真得很遗憾，就差那么一点点
【单选题】If the real interest rate is 4 per cent, the inflation rate is 6 per cent, and the tax rate is 20 per cent, what is the after tax real interest rate?
A.
5 per cent
B.
2 per cent
C.
1 per cent
D.
3 per cent
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