关于外用电梯安全控制的说法,正确的是(  )。

关于外用电梯安全控制的说法,正确的是(  )。A.外用电梯由具有相应资质的专业队伍安装完成后经监理验收合格即可投入使用 B.外用电梯底笼周围2.5m范围内必须设

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We have made a try to carry out the plan.

We have made a try to carry out the plan.A.attempt B.effort C.energy D.source

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A number of the workers have lost their jobs because of the

A number of the workers have lost their jobs because of the economic crisis.A.a

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He paused, waiting for her to digest the information.

He paused, waiting for her to digest the information.A.understand B.withhold C.e

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They're petitioning for better facilities for the disabled

They're petitioning for better facilities for the disabled on public transport.

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