Did you findimpossible for him to tell t

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问题选择题

Did you find impossible for him to tell the truth?

A．this

B．it

C．that

D．what

答案

答案：B

本题find后跟的是形式宾语，用it，真正的宾语是to tell the truth，故本题选B。

单项选择题

工程网络计划费用优化的目的是为了寻求（）。

A.工程总成本最低时的最优工期安排

B.工期固定条件下的工程费用均衡安排

C.工程总成本固定条件下的最短工期安排

D.工期最短条件下的最低工程总成本安排

单项选择题

An ABC dry chemical fire extinguisher would be LEAST effective against a fire in（）.

A.a mattress

B.spilled liquids such as oil or paint

C.high voltage electrical gear

D.a trash can