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Unit 3 The world of colours and light Ⅰ.单项填空 1.When the whole area wasby the flood，the government sent food there by helicopter. A.cut away B.cut down C.cut up D.cut off 解析：考查cut短语辨析。句意：整个地区因洪水而与外界隔绝了，政府开始动用直升飞机向那里运送食物。cut away“切除，割掉”；cut down“削减，缩小”；cut up“切碎”；cut off“使隔绝”。 答案：D 2.He didn'this search for improving his understanding of these puzzles. A.abandon B.advocate C.abstract D.adore 解析：abandon“放弃”；advocate“提倡”；abstract“提取，抽取”；adore“崇拜”。由句意可知A项正确。 答案：A 3.—Did Linda see the traffic accident？ —No，no soonerthan it happened. A.had she gone B.she had gone C.has she gone D.she has gone 解析：考查倒装句。no sooner...than...“一……就……”。no sooner放于句首时常使用部分倒装结构。主句用过去完成时，从句用一般过去时，故选A。 答案：A | 
