3．学习谈论自己和他人的变化。
2．学习谈论自己和他人过去的外貌、性格、爱好等。
本单元我们将完成下面的学习任务：
1．学习谈论自己和他人过去经常做的事。
假如你叫李华,在因特网上找到了一个叫David的网友,现在请你根据下列要点给David写一个E-mail,介绍你自己的一些情况。
1.李华,中学生,家住在上海。
2..喜欢集邮和运动。
3.对英语很感兴趣,会唱不少英文歌曲。
4.班里同学也想找网友,希望得到帮助。
5.想去英国看看。
注意: 1.开头部分已写好,只需接着写。
2.下面方框中所给的词语可供你选择使用,也可适当增加一些词语,使所写的短文正确、连贯。
live in, collect stamps, do some sports, pen friends, visit one’s country, soon, English songs , David,
Dear David,
How are you?________________________________________________________________
_______________________________________________________________________________
根据短文及所给首字母，将空格中的单词补充完整，使全文正确通顺。
We live in the “computer age”. Just 41 years (1)a_______，computers couldn't do much. They were very big and expensive. They used a lot of energy(能量).Only a few people were (2)i___________ in them. Today computers are smaller and cheaper. They can do (3)s_______ difficult work.
Computers become important for many reasons(原因).They work faster than man and make few (4)m_____________. They can “remember” much information. A computer can do millions of problems (5)i_________ a few seconds. A person might need years to work out so many problems.
5. His mother was very ____________(有耐心的)and didn't give up trying to help him.
4. Unluckily, Martin still caused problems for __________ (自己).
3. The naughty (淘气的)boy is used to ______________ (谈话)in class.
2. They ____________ (聊天) until Amy came up the upstairs.
根据每小题句中括号内的中文，写出句中所缺的英文单词的恰当形式。
1. I don't want to make a wrong ____________ (决定) and regret it.