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【多选题】
下列关于过筛的叙述中，正确的是（ ）A.
过筛是借助网粗细物料进行分离的操作
B.
过筛可对粉碎后的粉末进行分等级
C.
应根据对粉末细度要求，选用适宜筛号的药筛
D.
过筛时，应用力挤压筛网
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【简答题】阅读理解 Do you know that man? He is my uncle. His name is David Smith. He is forty-eight this year. He is a worker. He works in a car factory. His factory is not near his home. So he gets up early in the...
【简答题】阅读理解。 Do you know that man? He is my uncle. His name is David Smith. He is forty-eight this year. He is a worker. He works in a Car Factory. His factory (工厂) is not near his home. So he gets up early ...
【单选题】Henry's job was to examine cars which crossed the frontier to make sure that they were not smuggling anything into the country. Every morning，except at weekends，he【11】see a factory worker coming up th...
A.
should
B.
might
C.
would
D.
must
【简答题】杨崇勋传作业.docx
【单选题】1919年5月24日,青州举行了由社会各界人士参加的万人大会,各界代表历数帝国主义罪行,一致声援北平学生爱国运动。这表明当地的五四运动( )
A.
工人阶级是主力军
B.
共产党员起了领导作用
C.
群众基础较为广泛
D.
运动中心开始转向农村
【简答题】《当你老了》是叶芝献给恋人 的诗。
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