根据句意及所给中文提示或英文解释，写出句中所缺单词1. Our earth is g

题目内容：

根据句意及所给中文提示或英文解释，写出句中所缺单词1. Our earth is getting more and more ________(拥挤) because of the increase of people.

2. Sandy was late for school this morning because her bicycle went ________(毛病).

3. Jumping on Mars will be ________(危险) because we easily jump too high and flew away.

4. I think an air tank is the most important thing for an ________(宇航员).

5. We wear ________(特殊的) costumes with masks.

6. Simon wants to c________(to become different) his diet because he wants to healthier.

7. They have made a plan to clean up the p________ rivers.

最佳答案：

1.crowded 2.wrong 3.dangerous 4.astronaut 5.special 6.change 7.polluted

答案解析：

该题暂无解析

考点核心：

根据最新人教版版和牛津版的初中英语教材的词汇量，一个水平较高的初中毕业生的词汇量应在2400左右。初中的单词和词组词汇量要求数量会不断增长。