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【单选题】
水中杂质按其存在形态及颗粒大小的不同,可将其分为三种类型,下列哪类不属于( )。A.
悬浮物
B.
胶体
C.
固体颗粒
D.
溶解物
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】The Spinning Jenny was produced in 1764 by ___________.
A.
George Stephenson
B.
James Watt
C.
James Hargreaves
D.
Edmund Cartwright
【简答题】从网址www.cdut.edu.cn可以看出它是中国的一个 站点
【简答题】Exercise of 2.3 1.doc
【单选题】During the Industrial Revolution, the Spinning Jenny was produced by___.
A.
James Watt
B.
James Hargr eaves
C.
George Stephenson
D.
Edmund Cartwright
【单选题】The author mentions Kay's flying shuttle, Hargreaves' spinning jenny and Cartwright's power loom in order to show that______.
A.
these labor-saving machines were also independent from any power-driven engines
B.
since these inventors were northerners, the textile industry became more prosper- ous in the north than in the south
C.
these machines replaced one another and the frequent renewal of implements caused the rapid development of the wool and cotton weaving industries
D.
with the invention of these machines substituting for the former labor-consuming ones, the textile industry was revitalized
【单选题】The Spinning Jenny and the Water Frame allowed for the rapid, mass production of what?
A.
textiles
B.
food
C.
tools
D.
ice
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