2. 外语
  3. During the construction of skyscrapers, cranes are used to ______ building materials to the upper floors.

During the construction of skyscrapers, cranes are used to ______ building materials to the upper floors.

admin2011-05-29  24
问题 During the construction of skyscrapers, cranes are used to ______ building materials to the upper floors.
选项 A、toss
B、tow
C、hoist
D、hurl
答案C
解析 hoist升起，吊起；toss辗转；投；tow拖，拉；hurl猛掷，猛扔。句意：在建摩天大楼时，起重机被用来将建筑材料吊运到上面楼层。
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