第24题: [填空题](Cigarette smoke) has been shown to contain numerous compounds that (are known to) cause cancer in experimental animals and (they) appear to be strongly (linked to) human cancer, especially cancer of the lung
A. Cigarette smoke B. are known C. they D. linked to 参考答案:C改为that。 答案解析:前后两个that从句由and连接,并列做定语修饰compounds。
第30题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. It is thundering. B. The wind blows heavily. C. Somebody is pouring water. D. It is raining heavily. 参考答案:D 答案解析:[听力原文] M: It is pouring down, isn’t it I can even hear it drumming on the roof. W: I hope it