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必修三 Unit 3 Back to the past Ⅰ.单项填空 1.There were more than two hundred passengers the plane when it crashed. A.on the board B.on board C.on the board of D.on board of 解析：句意：飞机失事时，机上有两百多名乘客。on board“在火车/船/飞机上”。 答案：B 2.So many cars are lined up on both sides of the road that much public space is. A.taken in B.taken off C.taken up D.taken over 解析：考查动词短语辨析。take in“吸收”；take off“起飞”；take up“占据，开始从事”；take over“接管，接任”。 答案：C 3.The speaker raised his voice above the sound of the applause to . A.make himself heard B.making himself hear C.make himself hear D.making himself heard 解析：动词不定式表目的，排除B、D两项。make himself heard中，hear与himself之间为动宾关系，用过去分词作宾语补足语。 答案：A 4.We have fifty workshops in our factory， but only one fifth able to be used and the rest empty. | 
