第7题: [单项选择]对周围性眩晕的描述,不正确的是()。 A. 眩晕为突发性旋转性 B. 持续时间短 C. 发作时伴有意识丧失 D. 头位和体位变动时眩晕加重 E. 伴耳胀满感、耳鸣、耳聋及恶心、呕吐 参考答案:C
第8题: [单项选择]What does the professor mean by saying this A. The combination ratio of atoms was resolved. B. The weighing method of atoms was resolved. C. The construction of water was resolved. D. The structure of an atom was resolve 参考答案:A 答案解析:[解析] 跟上一题一样,本题为语用理解题中的功能题。题目问:教授说下列一段话是什么意思这句话的意思是“直到称量原子的方法被发现,化学家们才知道原子间结合的比率”,因此正确答案为A,其他均为干扰项。