单项选择题

Workers seldom commit acts of violence, because they can put their aggression into their work, ___________it physical like the work of a smith, or mental like the work of a scientist.

A.were
B.was
C.being
D.be

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单项选择题

单元格区域选定()。

A.可以多于一个
B.只能是一个
C.可以多于一个少于三个
D.只能是三个

单项选择题

(SUM(A2：A4)*2^3的含义为()。

A.A2与A4之比的值乘以3的2次方
B.A2、A3与A4单元格的和乘以2的3次方
C.A2与A4单元格的和乘以3的2次方
D.A2与A4之比乘以2的3次方