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1.Husband:It’s really cold out tonight. Wife:Sure it is.My hands are practically numb.How about lighting the furnace? 点 拨 这段对话中，出现了两个生词numb 和 furnace. 根据生活经验，天气寒冷时，手 肯定是“冻僵的，冻得麻木的”。这样，要 取暖肯定要生“炉子”。据此，我们便可推 测出这两个生词的含义分别是“冻僵的”、 “炉子 2.The biggest power failure happened yesterday.All of our ice-cream and frozen foods melted. 点 拨 本句的melted也可以说是同学们不熟悉的。 本句中的ice-cream 和frozen foods在停电的 情况下的一种必然的结果就是“溶化”。 3.The snake slithered through the grass. 点 拨 本句中的slithered是一个生词。但根据有关 蛇的生活习性的知识，我们可以推断出其词 义为“爬行”。 By.9:45,everybody was having great fun,but no food had appeared.Jane and David were restless.Other guests began whispering that they,too,were starving.But no one wanted to leave,just in case some food was about to appear.By 11:00,there was still no food,and everyone was completely off their heads.Jane and David left hungry and angry. The underline words “off their heads”probably mean__ A.tired B.crazy C.curious D.hopeless ? 根据上文staving 和下文的hungry and | 
