Our research has focused on a drug which is so _____ as to be able to change brain chemistry.

        A. powerful      B. influential       C. monstrous            D. vigorous

Mr. Zhang gaVeall textbooks to all the pupils, except_______ who had already taken tem.

A.these           B. dnes           C. the ones     D. the others

He was busy writing a story，only _________ once in a while to smoke a cigarette．

　　A．to stop　　　 　　　　　　B．stopping

　　C．to have stopped 　　　　　D．having stopped

Scientists are convinced    the positive effect of laughter   physical and mental health.

A. of; at     B. by; in     C. of; on       D. on; at

假定你住在一個涉外小區(qū)。社區(qū)委員會請你幫忙用英文以短文的形式寫一封電子郵件，將周末農(nóng)家采摘活動的安排傳達給住戶。 

要點： 

時間：下周六上午8：00至11：00 

內(nèi)容：采摘蘋果 

報名：辦公室，下周四下午5：00前 

提示：帶帽子、手套 

注意： 

1. 詞數(shù)100左右，開頭已為你寫好。 

2. 可適當增加細節(jié)以使行文連貫。 

3. 參考詞匯：社區(qū) community

Many people in the west make _____ a rule to buy Christmas presents for their relatives and friends.

    A. this          B. it           C. that         D. them

_____ the weather, the athletic meeting will be held on time.

   A. In contrast with         B. In relation to

   C. On behalf of             D. Regardless of

Besides Tom, ________ Crosettes have two other sons, __________ of whom are all interested in making model planes.

A. 不填; two                      B. 不填; the two  

C. the, three                       D. the, the three

 --Have you ever seen Peter recently?

  --Yes. He__________ me to ask you how you___________ along with your new job these days.

A. has asked;have been getting       B. asked ;were getting

C. often asks;are getting            D. asked;are getting

—Did you enjoy yourself at the part

—Yes. I’ve never been to ________one before.

A. a more excited                                 B. the most excited

C. a more exciting                                D. the most exciting