根据句意及首字母的提示,补全单词1.One of the most dangerou

题目内容：

根据句意及首字母的提示,补全单词1.One of the most dangerous sports in the world is mountain c_________.

2.There were no man-made s_________ as big as the Great Wall.

3.The train was traveling at an ordinary s_________.

4.F_________is one of the biggest problems in the world.

5.It's dangerous to climb the highest mountain because thick clouds c_________the topof the mountain.

最佳答案：

1. climbing2. structures 3. speed4. Flooding 5. cover

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。