砖砌台阶可按( )计算工程量。A．水平投影面积以平方米 B．长度_爱下问搜题

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问题单项选择题

砖砌台阶可按( )计算工程量。

A．水平投影面积以平方米

B．长度

C．立方米

D．台阶高度

答案

参考答案：A

选择题

The flowers were so lovely that they _____ in no time.

A. sold
B. had been sold
C. were sold
D. would sell

判断题

只有交易对方发生违约时，才能产生信用风险。