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【单选题】
锻造是金属压力加工方法之一，在其加rT过程中，机械设备、工具或工件的非正常选择和使用、人的违章作业等都可能导致机械伤害。下列伤害类型中，不属于机械伤害的是（）。A.
锤头击伤
B.
高空坠落
C.
操作杆打伤
D.
冲头打崩伤人
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【简答题】A．Because the people there need more labor to support the family. B．Because the people there have the habit to have a big family. C．Because the people there are, poorer. D．Because the people there wan...
【单选题】The result of the tests shows that ______.
A.
the more people there are together, the more people will act to help
B.
college students would be more likely to help than ordinary Americans
C.
the more people there are together, the fewer people will act to help
D.
none of the tested students acted to help
【简答题】---------曲线是表示干燥过程中任何时间的干燥速度与该时间的食品绝对水分之间关系的曲线。
【简答题】学习了《学前儿童常见传染病的传播途径》视频后,我知道了,传染病的传播途径有( )、( )、( )、( )、( )、( )等六种。
【单选题】Which of the following is NOT true?
A.
Pets are allowed because people there are considerate.
B.
It is a quiet neighborhood.
C.
There is no elevator in the building.
D.
There's a laundry room in the building.
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