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【单选题】
制造业的生产按其生产工艺过程分为( )。A.
A.单步骤生产
B.
大量生产
C.
多步骤生产
D.
成批生产
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】The man died in this house, but the police couldn't _____ how he died. [ ]
A.
realize
B.
remain
C.
reveal
D.
reply
【简答题】A．expert B．exhibition C．exercise D．exist
【单选题】The old man smoked too much，he _the lung cancer at last. [ ]
A.
died
B.
died of
C.
died from
D.
was dying of
【简答题】A．have B．display C．need D．exist
【简答题】A．It may exist in the neighborhood of big stars. B．It may exist in the neighborhood of a galaxy. C．It may exist at the center of X-rays. D．It may exist at the center of a galaxy.
【简答题】未饱和湿空气的干球温度t、湿球温度tw、温度td三者关系为（）。
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