The road conditions there were very good

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问题选择题

The road conditions there were very good, _______ was more than we could expect.

A．it

B．what

C．which

D．that

答案

答案：C

考察从句连词。根据句子结构可知，该句为非限制性定语从句，从句中缺少was 的主语，所以选择C。That不能用于非限制性定语从句， what用于名词性从句

填空题

根据句意和汉语提示写出单词的正确形式。

1. In the afternoon they went to all exhibition of ________ (现代) art.

2. A man from Canada spent a summer in our ________ (村子).

3. Most of them were surprised to hear my ________ (决定).

4. — When did Columbus ________ (发现) America?

— In 1492.

5. Children of all ages should be outdoors ________ (几个) hours a day.

6. People think it is ________ (无礼) to talk loudly in public places.

7. Never ________ (争吵) with your parents or teachers. Be polite to them.

8. The girl felt nervous ________ (尤其) when the teacher asked her questions.

9. I think kids should learn to plan things for ________ (自己).

10. Wang Lin has a ________ (俄罗斯) pen pal, and my pen pal is from Australia.

单项选择题

盐酸哌替啶水解倾向较小的原因是( )。

A．分子中含有酯基
B．分子中含有酰胺基团
C．分子中含有两性基团
D．分子中不含可水解的基团
E．分子中含有酯基，但其α碳上连有位阻较大的苯基