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     Today is November 8th. It's Mary's birthday. She is thirteen. Jim, Mike, Kate and Bill are all her

friends. They want to buy some presents (礼物) for Mary. So they go to the store next to the school.

There are many things in the shop. They buy a big cake, a pencil case and some nice books. They also

want to buy a T-shirt for Mary, but all the T-shirts are too expensive (贵) and they don't have too much

money.

1.How old is Mary today?

A. She is 12.  

B. She is 13.  

C. She is 11.  

D. She is 10.

2. Mary  has_____ friends.

A. four  

B. three  

C. two  

D. only one

3. _____ is near(旁边) the school.

A. Their home  

B. A  hospital  

C. The store  

D. The farm

4. They want to buy ____for Mary.

A. A big cake  

B. a big cake, a pencil case and some nice books

C. a T-shirt  

D. B and C

5.Do Mary's friends have a lot of money?

A. yes, they do    

B. yes, they have    

C. No, they don't  

D. Sorry, I don't know

一个没拧紧的水龙头20分钟漏水20克，那么1小时漏水多少克？8小时漏水多少克？一天呢？来计算一下吧．

通过计算，你有什么想法？请写下来．