介绍:
Unit 1
Dialogue
A：Let's go to the movie.There is a good picture at the Roxy
B: I'd like to.I have to study.I wasted the whole afternoon.I forget i have to brush up on my French.Then，all of a sudden，i remembered
A:Oh，come on.We will be home early
B：Oh,i'd better not.I have an exam tomorrow.I was about to study when you came in.You know who it is.If you do not study,you do not pass.That goes without saying.
A.Exam?Tomorrow/oh-oh
B：What is the matter?
A：I just remembered.I have an exam,too
B:We can go to the movies on Saturday.
1.brush up on ：review sth to make it fresh again in one's mind 复习，重温/go over
Eg：I have to brush up to my Italian before i go to Rome 我去罗马之前必须把意大利语重温一下
Eg: Read some books. Brush up on your history.读些书复习复习你的历史知识
2.all of a sudden：something happened quickly:unexpectedly，without advance warnning
Eg：All of a sudden, the tyre brust 轮胎突然爆裂了
Eg：All of a sudden, he patted me on my shoulder 他突然拍了一下我肩膀
3.had better：should do something,ought to do sth 最好，突然
Eg：I do not think we had better discuss it any more 我认为我们不该再讨论这事了
Eg：You had better leave now，or i will call will the police right away
你最好现在就离开，否则我要叫警察了
4.be about to ：on the point of sth 即将，正要 多语when连用
Eg:Tom was about to leave when it rained 汤姆将要离开，天就下雨了.
5.go without saying：sth is obvious that it does not have to be mentioned 不言而喻
Eg： It goes without saying that children should not play with gun
不用说，小孩不应当玩弄枪械
Eg:It goes without saying that Cocacola is one of the most recognized products in the world 不言而喻，可口可乐是世界上最被人们接受认可的产品之一
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