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问题 单项选择题

1959年，西德各地出生过手脚异常的畸形婴儿，这种婴儿手脚比正常人短，甚至根本没有手脚，形状如海豹一样，经调查证实孕妇在怀孕期间服用反应停(沙立度胺)便生出这样的婴儿，这就是震惊世界的反应停事件。

对人体有毒的元素或化合物，主要是研究制定

A．最低容许限量

B．最高容许限量

C．最高需要量

D．最低需要量

E．以上都不是

答案

参考答案：B

填空题

设有如下代码：
x=0
Do
x=x+1
Loop While x＞=______
运行程序，要求循环体执行4次后结束循环，在空白处填入适当语句。
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改错题

短文改错

Dear Sir or Madam,

     I'm a student from Xinhua Middle School. I'm gladly to learn that you want a few parttime English

reporter. I'm interesting in this opportunity.

     I think I'm qualified for a job. As a student, I've read a lot and have a knowledge in many fields. I

like English and do well in both spoken and writing. Beside, I'm easy to get along and enjoy working

with others. I once worked as a reporter for my school broadcasting station, but I'm sure I can do the

job well if  I got the position.

     I'm looking forward to your reply.

________________________________________________________________________________
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