( Da Wei comes across Li Lei, who is studying, in the school library. )
A: Hi, Li Lei. Are you busy with your homework now?
B: Oh, yeah, Da Wei. And you?
A: I'm here for a book. Hey, Li Lei. Have a break! We should be outside in the fresh air. It's good for us.
B: Sorry, I can't.    1     I must hand it. in tomorrow.
A: Oh, I see. But we can't always stay indoors.  We must often take exercise.    2  
B: Never.  I hardly have time now.  A sea of homework almost takes up all my free time.  It's sad but that's life.   3   
A: You mean my life? In fact, I'm also very busy like you. But you know I like sports.    4     When ever I have a little time, I will try them.
B: No wonder you are so energetic.
A: Yeah, better health, better grades.     5   
B: Yes, you are right.  It sounds as if should also try to exercise often in the future.  Da Wei, shall we play basketball for a while now?
A: OK. Let's go!

英语中有许多俚语在日常生活中被广泛使用。请阅读下面的几则俚语和它们的意思，然后选择恰当的俚语完成句子。

1.There are still a few things you can do before you ________. Don’t lose hope.

2.These names ________ but I can’t remember where we met.

3.Mary is often late for work. Yesterday she was late again. Her boss _______ and let her go.

4._________! How did she get 100% on such a difficult exam?

5.When you travel in the country in America, some kind drivers will ________ to the place you want to get to.

A. Holy Cow: It shows a feeling of surprise. You say “Holy Cow” when you are surprised by something.

B. Throw in the towel: Give up on doing something because it is too difficult.

C. Give someone a lift: It means “give someone a ride”. If someone gives you a lift, you’ll get a free ride in his or her car to a place you want to go.

D. Work out: It means “to do exercise”.

E. Hit the ceiling: To suddenly become very angry.

F. Ring a bell: If you say something rings a bell, you mean that you have heard it before or it reminds you of something.

根据短文内容，选择恰当的句子把短文补充完整。注意选项中有一个多余选项。

Of all the things we eat and drink, water is the most important. Not many people realize this, but it is quite true.    1.   , but two or three days without water usually leads to death. Many people do not understand how much water the human body needs at work and many people do not drink enough especially in cold weather.    2.   . Most people drink when they are thirsty, but we often need more water, especially after doing exercise.

___3.   . Water is very important in several different ways. Most people need about five to seven liters of water every day, but we do not need to drink that amount, because a lot of water comes from the food we eat.    4.   , however, we feel tired and may become ill. 

A. If we do not have enough water

B. A man’s body contains 65% --- 75% water

C. Most people drink enough only in hot weather

D. We need to drink water before doing exercise

E. The human body can live without food for a long time

配对阅读。请为每个人选择最适合阅读的书，并将答案的字母编号填写在括号内。

配对阅读。请为每个人选择最适合阅读的书，并将答案的字母编号填写在括号内。