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问题 单项选择题

下列（）不是生殖技术的伦理价值。

A．生殖技术可以繁育人类所需要的特定种类的人，为人类服务

B．生殖技术可以治疗弥补不育，有利于婚姻家庭

C．生殖技术可以用于优生

D．生殖技术可以有利于计划生育

答案

参考答案：A

选择题

KOH是我国古代纺织业常用的洗涤剂，古代制取KOH的流程如图，在上述流程中没有涉及的化学反应类型是

[ ]

A．化合反应

B．分解反应

C．复分解反应

D．置换反应

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填空题

根据句意及汉语提示完成句子

1. She didn't put on an____（外套）though it was very  cold outside.

2. Joan wears a silk____（围巾）around her neck.It makes her look nicer.

3. The ice isn't____（厚）enough. It's dangerous to skate on it．

4. The coat  doesn't____（适合）me well. Do you have a smaller onet?

5. The girl's clothes are always of the newest style. She is indeed____（时尚的）．

6. This house is half the____（尺寸）of ours.

7. It's getting cold and I have to put on my woolen ____（手套）.

8. The shop____（店员）is so kind that most of us like  going shopping there.
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