试题与答案

巨幼细胞贫血发病的本质为() A.DNA代谢障碍 B.能量代谢障碍 C.磷脂代谢障碍

题型:单项选择题

题目:

巨幼细胞贫血发病的本质为()

A.DNA代谢障碍

B.能量代谢障碍

C.磷脂代谢障碍

D.血红蛋白合成障碍

E.细胞凋亡过度

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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题型:单项选择题

The inflation index for the year 1989 relative to the year 1970 was 3.56, indicating that, on the average, for each dollar spent in 1970 for goods, $3.56 had to be spent for the same goods in 1989. If the price of a Model K mixer increased precisely according to the inflation index, what was the price of the mixer in 1970 ?()
(1)The price of the Model K mixer was $102.40 more in 1989 than in 1970.
(2)The price of the Model K mixer was $142.40 in 1989.

A.条件(1)充分,但条件(2)不充分.

B.条件(2)充分,但条件(1)不充分.

C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.

D.条件(1)充分,条件(2)也充分.

E.条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.

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