根据下列句子的句意、汉语提示或英语解释,写出空白处所缺单词的正确形式;每空一词.
Could you please speak more (慢慢地)? I'm afraid I can't quite follow you.
在你作重要决定之前,一定要仔细考虑.
Think it over before an important .
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.
茶叶主要产自于中国的南方.
Tea are produced mainly in the part of China.
这部电影取材于一部科幻小说.
This movie is a science fiction story.
钱学森是中国人民的骄傲.
Qian Xuesen is the of the people.