（）符合夏季三餐散热保洁原则A、将饭菜移止屋外通风 B、拿掉窗

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问题单项选择题

（）符合夏季三餐散热保洁原则

A、将饭菜移止屋外通风

B、拿掉窗口盖以便降温

C、给容器加盖，防备污染

D、对饭菜吹风扇

答案

参考答案：D

单项选择题

A．(A) Only 25 to 30 college graduates will be short-listed for the interview.

B．(B) The applicants will be asked to do a qualification test.

C．(C) No one but 25 to 30-year-old college graduates can apply for the job.

D．(D) The department needs 25 to 30 college graduates to finish the evaluation.

多项选择题

室外排水检查井的设置位置（）.

A、排水管的汇合处

B、排水管的跌水处

C、排水管的标高变化处

D、室外埋地管长度超过15米处