從A、B、C、D四個選項中，選出可以填入空白處的最佳選項，并在答題紙上將該選項標號涂黑。

　　1. ______ 6 world powers have accepted ______ Iranian offer for talks on its disputed nuclear program. “原創(chuàng)”

　　A. The; a B. 不填; an C. The; an D. 不填; an

　　2. A woman marries a man expecting him to change, but he doesn’t. A man marries a woman expecting her not to change, but she ______ . “原創(chuàng)”

　　A. does B. will C. has D. is

　　3. To his relief, the company’s exports have been increasing ______ . “原創(chuàng)”

　　A. suddenly B. steadily C. automatically D. really

　　4. At least 14 youths have been killed in the capital Baghdad in the past 3 weeks in ______ appears to be a campaign by Shia militants. “原創(chuàng)”

　　A. what B. that C. it D. which

　　5. Research shows that humans ______ from selfish to unselfish behavior when they are watched.

　　“原創(chuàng)”

　　A. tell B. switch C. range D. distinguish

　　6.Singe women usually stay away from marriage by their own choice, ______ single men are mostly victims of circumstances. “原創(chuàng)”

　　A. for B. while C. and D. but

　　7.The first quarrel between a young couple is the beginning of a new stage, ______ poetic love is transformed into practical life. “原創(chuàng)”

　　A. where B. after C. ever since D. in which

　　8. At first, I tried to ignore the “dress-down”rule by simply _____ in my suit as usual.

　　A. dressing up B. showing off C. turning up D. ending up “原創(chuàng)”

　　9.---Did the door keeper let you in?

　　---No, _______ I tried to tell him that I was your aunt, he just wouldn’t listen to me.

　　A. No matter B. Even if C. However D. Whatever

　　10. ________ doing more exercise to lose weight, many teenagers would rather be a couch potato.

　　A. Instead of B. As a result of C. In spite of D. Regardless of