I. 单句语法填空
1．________ is known to us is that it's human's activity that leads to global warming.
2．China is paying more attention to education so as to catch up ________ advanced countries in science and technology.
3．Global warming is an ________(increasing) huge concern for the world.
4．If you want ________(solve) the problem in this way, there is no harm in calling him.
5．It's generally believed that he suffered from cancer ________ a result of tiredness.
6．Loss of health is too high a price to pay ________ success.
7．When he grew up，he took a chance to work as________ pilot on a river boat.
8．He will graduate ________ school in May.
【答案】1.What 2.with 3.increasingly
4．to solve 5.as 6.for 7.a 8.from
