第3题: [单项选择]They took ______ measures to prevent poisonous gases from escaping. A. fruitful B. beneficial C. valuable D. effective 参考答案:D 答案解析:[考点] 词义辨析。 [解析] 本题测试形容词辨异。四个选项意思分别为:A.硕果累累的,有利的,成功的;B.对……有益,有利的,对……有好处的;C.有价值的;D.有效的,产生效果的。D项和句中的
第9题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. 30 minutes. B. 70 minutes. C. 50 minutes. D. 80 minutes. 参考答案:D 答案解析:[听力原文]
W: There’re a lot more people than usual in the departure hall.
M: The plane was to take of