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【单选题】
根据斜板沉淀池原理,若将 H 分成三层,则A.
不改变流速 v 和最小沉速 u 0 ， L 缩短 1/3
B.
不改变流速 v 和最小沉速 u 0 ， L 缩短 2/3
C.
不改变流速 v 和最小沉速 u 0 ， L 增长 1/3
D.
不改变流速 v 和最小沉速 u 0 ， L 增长 2/3
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皮皮学刷刷变学霸
举一反三
【简答题】exemplify
【简答题】A. exemplify B. demonstrate C. improve D. verify
【简答题】Discuss the effect of crystallinity on the toughness, strength and density ofpolymers and exemplify an approach to improving the crystallinity of polymers?
【多选题】USB是一种新兴的计算机外围串行通信接口标准，它克服了传统计算机串、并口的缺陷，具有（）优点，
A.
热插拔
B.
即插即用
C.
数据传输可靠
D.
扩展方便
E.
低成本
【单选题】The mention of Westezs talking gibberish is to______.
A.
exemplify the point that communicative function is of great importance to languages
B.
support the fact that nobody else in the world can understand Catawba
C.
illustrate that Westez indeed enjoyed talking to himself in Catawba
D.
argue that diverse languages cannot prevent cultural homogeneity
【单选题】The Wealth of Nations is mentioned to exemplify that the community of economists used to______.
A.
divorce from the ordinary business of life
B.
provide businessmen with economic instructions
C.
study entrepreneurship rather than business management
D.
denounce businessmen as profiteers
【简答题】（2） ，山岛竦峙。
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