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根据下列句子所给汉语注释或所给单词的首字母，写出各单词正确的完全形式（每空限写一词）。
1. there has been a s____ improvement in the company’s safety record.
2. in the course of e____ , some birds have lost their power of flight.
3. the small boy g____ his mother’s hand firmly.
4. it takes years to m____ a new language.
5. his performance was p____ in every way.
6. as the c____ rises, a dead body is seen on the stage.
7. three people were killed in a head-on c____ between a bus and a car.
8. international terrorism is not just a recent p____.
9. is this your ____ (永久的) address, or are you only staying there for a short time?
10. the government will not ____ (不愿做) to take the severest measures against these terrorists.
参考答案与解析：
1. significant 注意单词的拼写，因为高考所考的单词拼写大都是学生在平常容易出错的单词，字母拼写比较长的单词。
2. evolution 根据后句句意可知，表示“进化”。
3. grasped
4. master
5. perfect
6. curtain
7. collision 注意在介词on 后边，所以要用名词词性。
8. phenomenon 注意单词的拼写，因为高考所考的单词拼写大都是写学生在平常容易出错的单词，字母拼写比较长的单词。
9. permanent 注意单词的拼写，因为高考所考的单词拼写大都是写学生在平常容易出错的单词，字母拼写比较长的单词。
10. hesitate 本题，要从整个句子的句意着手，虽然标注的汉语意思“不愿做”，但是，根据整句话可知政府不会犹豫采取严厉的措施反对恐怖分子。再根据固定搭配，hesitate to do sth.
