试题与答案

EDTA二钠的真实名称为()。 A.氯化钠 B.乙二胺四乙酸二钠 C.草酸二钠 D.

题型:单项选择题

题目:

EDTA二钠的真实名称为()。

A.氯化钠

B.乙二胺四乙酸二钠

C.草酸二钠

D.酒石酸钾钠

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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题型:阅读理解

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Zhang Xun, 15, boy, Hefei No 45 Middle School: “I’m a naughty boy who doesn’t study very hard. My parents always talk to me about this and they get very angry sometimes. I hope they won’t get angry when they talk to me. And I should behave well and be a good boy. My family is like my basketball. I love playing basketball. It makes me happy.”

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