第5题:[填空题]<br><br><br/>参考答案:将chemistry改为chemical。 答案解析:chemistry是名词，用在此处不能修饰名词，例如：The tips of matches are covered with chemical sub- stance．火柴头上包着一层化学物质。
第30题: [单项选择]{{I}} Questions 11-14 are based on the passage you’ve just heard.{{/I}}What’s the speaker’s attitude towards John Smith A. He makes fun of John Smith. B. He looks down upon John Smith. C. He likes John Smith. D. He dislikes John Smith. 参考答案:C
第31题: [单项选择]The car ______ halfway for no reason. A. broke off B. broke down C. broke up D. broke out 参考答案:B 答案解析:[解析] 四个词组的意思分别为：A．“折断，突然停止讲话”；B．“坏了，抛锚”；C．“拆散，驱散(人群)”；D．“(瘟疫，疾病，战争等)爆发”，
