Teenagers ________ their health because they play computer games too much．
A． have damaged B． are damaging
C． damaged D． will damage
Peter’ shirt looked just the same as Tom’s，but it cost ______ his．
A． as much twice as B． twice as much as
C． much as twice as D． as twice much as
We can’t figure out ______ quite a number of insects and birds are dying out．
A． that B． as C． why D．when
______ environmental damage is done，it takes many years for the ecosystem to recover．
A． Even if B． If only
C． As if D． Once
假设你是红星中学高三（1）班的学生李华，请根据以下四幅图的先后顺序，为校刊“英语园地”写一篇短文，讲述上周你参加学校英文歌曲演唱比赛的过程。词数不少于60。
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假设你是李华，作为一名交换生，你将去美国洛杉矶的一所高中学习。接待家庭来信询
问你的信息，并准备接机，请根据以下提示回信。
1．抵达时间：12月15日下午2:30；
2．航班号：flight BA693；
3．计划在美国学习一个月。
注意：1．词数不少于50；
2．可适当增加细节，以使行文连贯；
3．开头和结尾已给出，不计入总词数。
Dear Mr．Lee,
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Yours sincerely,
Li Hui
