Cranes are used to_____ building materials to the upper floors during the construction of skyscrapers.

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问题 Cranes are used to_____ building materials to the upper floors during the construction of skyscrapers.

选项 A、hoist
B、tow
C、hurl
D、toss

答案A

解析 句意:在修筑摩天大楼时,起重机用来将建筑材料提升到高层。hoist“用(绳索、器械等)提升某物”;tow“拖,拉,拽”;hurl“猛掷,猛投”;toss“投,掷”。
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