单词拼写（共10小题；每小题1分，满分10分）

根据所给的汉语或首字母提示写出单词的正确形式

1. Everybody says it is _______________(值得的)seeing but I find nothing special about that place.

2. There was not enough_______________(证据) to prove that he stole the wallet.

3. Women were not allowed to take part in the Olympic Games in____________(古代的) times.

4. Has any Asian nation ever_______________(主办)an important soccer match?

5. He is good at_________________(计算) the cost of a trip.

6. P________________ speaking. I don’t like the way he speaks to me.

7. Wildlife p___________________ is a topic that is very important.

8.Hearing the funny story, I burst into l___________________.

9. A___________________ to a UN report, about 844 animals and plants have disappeared in the last 500 years.

10.It was one of the most serious accidents this year. Very few passengers s_____________ in it.

不饱和烃中（）最容易被加氢饱和。

A、环状烃类

B、带支链的烃类

C、直链烃类