The student is afraid to answer the teacher's question.

The student is afraid to answer the teacher's question.A.hope B.use C.help D.rep

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It is impossible to complete the task in a day.

It is impossible to complete the task in a day.A.probable B.usual C.unlikely D.h

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The committee was asked to render a report on the housing s

The committee was asked to render a report on the housing situation.A.copy B.fu

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He said some harsh words about his brother.

He said some harsh words about his brother.A.unkind B.proper C.normal D.unclear

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冬期施工混凝土搅拌时,当仅加热拌合水不能满足热工计算要求时,可直接加热的混凝土原材料是(  )。

冬期施工混凝土搅拌时,当仅加热拌合水不能满足热工计算要求时,可直接加热的混凝土原材料是(  )。A.水泥 B.外加剂 C.矿物掺合料 D.热骨料

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