My friends and I often play basketball ___Saturday afternoon.
A.on B.in C. at
They spend much time _____TV last year.
A. to watch B.watched C. watching
---Would you mind ______the window for me? I feel a little cold.
---Not at all. I’ll do it right away.
A. open B.opening C. closing
人口过多带来许多社会问题，比如住房紧张、交通拥挤、资源短缺、就业难等问题，以及人口众多带来环境问题，比如生活垃圾污染，对人类健康带来很大的危害。请结合以上问题，谈谈我们应该采取的措施。
遣词造句（10分）
1.China,population___________________________________________________
2.pollution,health____________________________________________________
3.aim, poor children_________________________________________________
4.see,oneself_______________________________________________________
5.have,ever________________________________________________________
根据所给单词的适当形式填空。
1.Our Chinese teacher asked us to write a 400-word __________ （composition）about the autumn. I think it’s easy.
2.—What has_________(happen) to your hometown recently?
—Great changes have taken place.
3.We have taken some _________(measure) to look for the lost boy. We can find him in danger.
4.We have ________(learn) a lot of knowledge from the wonderful trip.
5.Not all people know that light pollution does great __________ (harmful) to human’s health.
