（注意：总分100分，考试时间2小时） Part Ⅰ.Directions: There are 50 incomplete sentences in this part. For each sentence there are four choices marked A, B, C and D. Choose the sentence.(每小题1分，共50分) 1． a scientist is being deliberately informal, he will tend to speak like a book when he is explaining science. A. Although B. While C. Even if D. Unless 2.It was unwise of him to the unreliable data in his speech. A. refer to B. add to C. keep to D. point to 3. Jean did not have time to go to the concert last night because she was busy for her examination. A. to prepare B. to be prepared C. preparing D. being prepared 4. His letter was so confusing that I could hardly make any of it whatsoever. A. meaning B. message C. sense D. explanation 5. I am sorry to inform you that I have no choice to refuse your application. A. and B. than C. but D. rather 6. They did not find to prepare for the worst conditions they might meet. A. worth they while B. it worthwhile C. it worth D. it worthy 7. She is a very secretary. she never forgets anything or makes a mistake. A. anxious B. effective C. adequate D. efficient 8. If tap water were as dangerous as some people think, would be getting sick. A. a lot of more us B. more a lot of us C. a lot of us more D. a lot more of us 9. It was not until he had come near his home suddenly remembered what his wife told him to do in the morning. A. did he B. had he C. that he D. when he 10. His mother usually has an apple for at the end of a dinner because she firmly believes that “An apple a day keeps the doctor away. ” A. from B. desert C. deserte D. desertion 11.We gave out a cheer when the red roof of the cottage came view. A. from B. in C. before D. into 12. A subject is the effect of acid rain on human health. A. which continues to be intense debate B. what continues to be intense debate C. on which it continues to be intense debate D. on which there continues to be intense debate 13. He hardly seems middle-aged, old. A. much the less B. rather than C. other than D. let alone 14. The doctor told Penny that too much to the sun is bad for the skin. A. exposure B. extension C. exhibition D. expansion 15. Turn on the television or open a magazine and you advertisements showing happy, balanced families. A. are often seeing B. often see C. will often see D. have often seen 16. I felt somewhat disappointed and was about to leave, something occurred which attracted my attention. A. unless B. has been C. when D. while