题目内容
7.Onaverage,there are 800tornadoes in the US each year,causing about 80deaths and 1500injuries.分析 在美国平均每年有800次龙卷风,导致80人死亡1500人受伤.
解答 答案是average causing.本题考查语境中选用恰当的词;average n./adj.平均(的);on average 平均;根据句意,第二空需要的是结果状语"导致cause",用现在分词表示"自然而然的结果",故答案是 average causing.
点评 单词填空必须在对语境整体理解的基础上抓住指向答案的关键线索、固定句型或搭配等,同时注意所选单词的形式变化.
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