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高考试题:2013年高考真题——英语(湖南卷)第26题 http://www.ks5u.com/down/2013-6/9/1137532.shtml 命中试题:河北省秦皇岛市抚宁二中2013届高三上学期期末考试英语试题 http://www.ks5u.com/down/2013-1/30/1027086.shtml 高考试题: 26. If nothing ________, the oceans will turn into fish deserts. A. does B. had been done C. will do D. is done 命中试题: The water will be further polluted unless some measures _______. A. will be taken B. are taken C. were taken D. had been taken |