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【单选题】
湿精矿粉散运时,最大的危险是( )。
A.
由于其颗粒小,运输过程中易扬尘
B.
由于其含水量大,装卸作业较困难
C.
当其含水量超过活运水分限时容易流态化威胁船舶安全
D.
以上都是
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A.
should
B.
would
C.
might
D.
could
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A.
激素
B.
卡介苗(BCG)
C.
环孢素A
D.
烷化剂
E.
抗代谢药物
【单选题】听力原文:M: How are your new neighbors, Alison? W: They seem nice enough, but they have a son who is driving me crazy. M: What do you mean? W: He comes home every night around 10 with his car window rolle...
A.
That her neighbors' son drives too fast.
B.
That her neighbors' son's radio wakes her children at night.
C.
That she hasn't met her neighbors.
D.
That her neighbors were too noisy.
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A.
正确
B.
错误
【多选题】产品包装的作用有 ( )
A.
美化、保护产品
B.
促进销售、增加盈利
C.
增加商品价值
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