第13题: [单项选择]适于工业化生产的溶剂是() A. 乙醚 B. 氯仿 C. 乙醇 D. 石油醚 E. 乙酸乙酯 参考答案:C
第14题: [单项选择]Passage One Questions 26 to 28 are based on the passage you have just heard.A. There are many visitors there. B. There are many students there. C. There are many old streets there. D. There are many bicycles there. 参考答案:D 答案解析:[解析] Why did the road traffic in Cambridge remind people of Beijing