题目

某烃分子中有一个环状结构和两个双键，它的分子式可能是(   ) A．C4H6          B．C7H8      C．C5H6       D．C10H6 答案：C 解析: 略Dear Frank,Lily and I had a nice trip in Beijing. When we stayed in Beijing, we lived with Li Ming, our Chinese friend, and his family. Have a look at our activities there.May 9thWe arrived in Beijing.May 10thWe visited the Great Wall with Li Ming.May 11thWe visited Tian’anmen Square and Beijing hutongs.May 12thWe visited the Palace Museum with Li Ming and his sister.May 13 thWe went shopping in Wangfujing Street and bought some gifts. Lily bought a toy for her brother and a scarf for her sister. I bought a T-shirt for my father and a hat for my mother.May 14thWe said goodbye to Beijing.Hope! you will go to China with us next time.Yours, Nancy1.Where did Nancy live in Beijing during her trip?A. In Li Ming’s home. B. At Frank’s home. C. At a hotel. D. At Nancy’s home.2.How long did Nancy stay in Beijing?A. 4 days. B. 6 days. C. A week. D. Two weeks.3.Nancy bought a T-shirt for her .A. brother B. sister C. father D. mother4.What is the passage(文章）?A. A letter. B. A story. C. A menu. D. A map.5.What is the passage mainly about?A. How to have a good trip? B. Nancy’s trip in Beijing.C. Where to go shopping in Beijing. D. Nancy’s pen pal.