题目

展开式中不含项的系数的和为 A.         B.            C.         D. 答案：C完型填空从所给选项中选择正确答案补全短文。Everyone _an unforgettable experience in life. I have a great experience in my life. I went to visit ifferent places in America. I New York, Chicago and San Francisco. They are very famous and beautiful. I was very glad to visit these places. There are many places of _ in America. You must have a good time if you go there. _ with American people and _ their life gave me a good impression. They are very friendly and polite. I like American culture and the beautiful buildings. I also like American food. I really want _ America again. This _ a great experience for me. I it forever.1.A. have B. had C. has D. having2.A so many B. so much C. such many D. such much3.A. go to B. have been to C. have gone to D. have been in4.A. interesting B. interested C. interest D. interests5.A. Staying B. Stayed C. Stay D. To be staying6.A. experience B. experiencing C. to experience D. experienced7.A. go back to B. to go away C. to go back to D. going back to8.A. to travel B. travel C. travelling, D. travelled9.A. have been B. were C. being D. has been10.A. remember B. remembered C. have remembered D. will remember