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用相似原理，解释为什么I2能溶于CCl4，而不溶于水，KMnO4易溶于水但不溶于CCl4中?
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【简答题】When I woke up this morning, I found that it ________ (stop) snowing.
【简答题】My father woke up early one summer morning when I was four and announced, “Get up, you’re going with me to cut the grass in the garden.” The idea that my father thought I was old enough to help hi...
【简答题】语篇填空 When I woke up this morning, it was already ten o ’ clock. I got_____(dress) as soon as possible and rushed to school by bike with my backpack on my back. I didn ’ t _____ ['riːəlaɪz] that it was...
【简答题】As I got up today, I smelt fresh coffee. I woke up to 36 a cup of it with some biscuits on my bedside table. This reminded me of 37 , the old school and college days, when mom used to wake me up by se...
【单选题】关于涡轮增压部件说法正确的是:()
A.
增压空气再循环阀N249的作用是调节增压压力
B.
增压压力调节阀N75的作用和增压空气再循环阀的作用相似
C.
奥迪柴油发动机的增压器采用可调叶片式涡轮增压
D.
奥迪增压空气再循环阀采用机电控制
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