根据汉语或首字母提示，写出下列单词
1. The enemy attacked(攻击) our airport last night.
2．He was addicted to computer games，which affected(影响) his study，and his grade declined rapidly(迅速地).
3．He should combine entertainment(娱乐) with study.
4．There is no reason to be pessimistic(悲观的) about the future.
5．This event harmed(损害) the relations between the two countries.
6．When she knew the result of her exam，smile disappeared from her face.
7．We offered him 8，000 dollars for the house.
8．The plane crashed into the mountain，but luckily the pilot survived.
9．With the development of industry，global warming is becoming a more and more serious problem.
10．How can you do as he wishes when he's obviously wrong?
