参考答案:The areas of large population/large population centers 答案解析:这是关于流行病爆发地点的题目。由文章Prevention & Treatment for Diseases这部分第三段第一句"Epidemics usually start in areas of l
第30题: [单项选择]A person ______ during a period of heavy sleep is often annoyed and can not think clearly. A. awake B. had awaked C. has awaked D. awaked 参考答案:D 答案解析:句意:一个在沉睡中被叫醒的人通常很生气,并且思维不清晰。这里awaked是分词结构作定语,含有被动的意思在里面。
第36题: [单项选择]This word is no longer used in its ______ sense. Make sure to understand its current meaning. A. archaic B. antiquated C. artistic D. arcane 参考答案:A 答案解析:(archaic词义陈旧的)。B.antiquated(设备、风俗、思想)陈旧的,过时的;C,artistic艺术的;D.arcane秘密的,神秘的。