单词拼写。根据下列句子及所给汉语注释，在横线上写出空缺处各单词的

正确形式。（每空只写一题）

1. We should make sure that the ______ (事故) scene is no longer dangerous.

2. We had great difficulty in ______ (呼吸), for the air was thin.

3. Well, you've acted ______ (愚蠢地) and you will pay for it.

4. He was wearing dark glasses to ______ (保护) his eyes from the sun.

5. Honestly I thought the fried chicken was ______ (可口的).

6. In ______ (地理) lessons we learn about countries and people in them.

7. They got lost in the desert and ______ (挨饿) to death.

8. The car was a ______ (廉价货) at that price.

9. Their living conditions have been ______ (改善) in the past few years.

10. Please give my ______ (祝贺) when you see her.

接触网抢修要遵循“（）”的基本原则。

A.预防为主

B.安全第一

C.先通后复

D.先通一线