题目内容：

根据所给汉语提示完成句子，每空一词。

1.钱学森是中国人民的骄傲。

Qian Xuesen is the ______ of the _______ people.

2.这部电影取材于一部科幻小说。

This movie is ________ _______ a science fiction story.

3.茶叶主要产自于中国的南方。

Tea ______ are produced mainly in the ______ part of China.

4.京剧起源于1790年之后，它有着200多年的历史。

Beijing Opera came into ______ after 1760 and has a ______ of over 200 years.

5.在你作重要决定之前，一定要仔细考虑。

Think it over before ______ an important _______.