小博士：仔细观察下面方框里的句子，你会发现句子中含有比较级的不同形式，请联系这些比较级的原级形式来归纳一下形容词或副词是如何变成相应的比较级形式的合并句子。

1．Ann is taller than Kate.

2．Betty is luckier than Rose.

3．Girls are calmer than boys.

4．Young people are more athletic than the old.

5．Amy is more outgoing than Emma.

6．Maria is more beautiful than Mary.

7．Leo is funnier than Eli.

8．Ben is more intellectual than Mark.

A．Tom is 11 years old　　B．Bob is 12 years old.

(1)_________________________

A．Tom is good.　 　　　B．Bob isn't, good.

(2)________________________

A．Tom is fat.　 　　　　B．Bob is thin.

(3)________________________

A．Tom is athletic.　 　　B．Bob is not athletic.

(4)________________________

－____, Tom, is this your book? 　　 　

－No, it isn’t.

A. OK　　　 　B. Excuse me 　　　　C. I am sorry　　 　　D. Thanks

　　-- The boy must be Tom.

　　-- No, he ______ be Tom, Tom is in the library.

[　　]

　　A. mustn't　　　B. needn't　　　C. may not　　　D. can't

根据短文内容判断正(T)误(F)

　　It is 7:30 on Monday morning. It is time for Tom to go to school. Class begins（开始）at 7:40. Tom is still（仍然）in his room. His mother says, “ Hurry, Tom! You must be quick, or you will be late.” “Mum, where is my pencil-box?” cries Tom.

　　Look at Tom's room. What a mess（混乱）. His books are lying（躺着）all over the room. His football socks are on the desk, a kite and some clothes are on his bed. Tom's mother comes to help him. She asks Tom to put his books away and Tom's pencil-box is under the books on the floor.

　　“You must look after your things, Tom.” Says Mrs. Read.

(5)Tom's pencil-box is on the floor.   (　　)