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【单选题】
对酶的正确论述是:A.
与一般催化剂相比，酶催化效率较高
B.
只在细胞内起催化作用
C.
对底物都有绝对专一性
D.
所有的酶都有辅助因子
E.
除蛋白酶外，绝大多数酶以酶原形式在细胞内合成
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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 money supply grows 5 per cent, and real output grows 2 per cent, prices should rise by
A.
5 per cent.
B.
more than 5 per cent.
C.
less than 5 per cent.
D.
none of these answers.
【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】Suppose the nominal interest rate is 7 per cent while the money supply is growing at a rate of 5 per cent per year. If the government increases the growth rate of the money supply from 5 per cent to 9...
A.
9 per cent.
B.
11 per cent.
C.
4 per cent.
D.
16 per cent.
【单选题】Suppose the nominal interest rate is 7 per cent while the money supply is growing at a rate of 5 per cent per year. If the government increases the growth rate of the money supply from 5 per cent to 9...
A.
4 per cent.
B.
9 per cent
C.
11 per cent.
D.
12 per cent.
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