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1. Actors dressed in authentic costumes re-enact the battle. A. faithful B. royal C. genuine D. sincere 解释：authentic： known to be true or genuine 真实的; 真正的: an authentic document, signature, painting 正式文件﹑ 亲笔签字﹑ 原作绘画. trustworthy; reliable 可信的; 可靠的: an authentic statement 可靠的陈述 2. People who travel by rail still read an immense amount. A. immediate B. enormous C. equal D. moderate 解释：immense：extremely large; enormous 巨大的; 广大的 3. He demolished my argument in minutes. A. disapproved B. refuted C. accepted D. supported 解释： demolished： to show that an idea or theory is completely wrong: A recent book has demolished this theory; destroy 推翻, 驳倒: Her article brilliantly demolishes his argument. 她的文章精辟地批驳了他的论点. refute: rebut to prove that sth is wrong Synonym: REBUT to refute an argument / a theory 驳斥一个论点 4. Polluted water sources are a hazard to wildlife. A. evidence B. danger C. case D. picture 解释： hazard：danger; risk 危险; 有危险的事物; 风险: | 
