在建筑物地上二层楼面上放置一台电冰箱,该建筑楼面承受的荷载为(  )。

在建筑物地上二层楼面上放置一台电冰箱,该建筑楼面承受的荷载为(  )。A.集中荷载 B.线荷载 C.分散荷载 D.均布面荷载

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(  ) Swift is a master satirist. His satire is usually maske

(  ) Swift is a master satirist. His satire is usually masked by an outward grav

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From the middle part to the end of the 18th century, in Engl

From the middle part to the end of the 18th century, in English literature _____

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(  )Robert Frost recited "______" at President Kennedy's ina

(  )Robert Frost recited "______" at President Kennedy's inauguration. A.The roa

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蔬菜是人类不可缺少的食物,它富含人体需要的维生素、矿物质及消化系统所必需的粗纤维等。下列说法中错误的是(  )。

蔬菜是人类不可缺少的食物,它富含人体需要的维生素、矿物质及消化系统所必需的粗纤维等。下列说法中错误的是(  )。A.叶菜类均含有铁、钾、维生素以及胡萝卜素 B.

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