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【单选题】
使用压电陶瓷制作的压力传感器可测量A.
人的体重
B.
车刀的压紧力
C.
车刀在切削时感受到的切削力的变化量
D.
自来水管中的水的压力
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【单选题】Choose an appropriate topic sentence for the following paragraph. Thousands of new people are born on our planet every day. The number of inhabitants in the world has already reached over six billion....
A.
Therefore, it is predicted that the world will face serious health problems in the near future.
B.
The rapid growth of the world's human population is the most important problem the world needs to address.
C.
One of the burning issues is the population explosion in third world countries.
【简答题】低压 线路中的零线采用的颜色是 。
【简答题】完形填空 The earth needs a helping hand The earth is our home and it is in er of being polluted. The earth is getting warmer because of the 1 of people. We 2 and bum trees and send gases into the air ...
【简答题】Saving water is an important part of going green . As water becomes less and polluted more, conservation (保护) becomes more and more important. The less water you use, the less wastewater will end up i...
【简答题】用方框中所给单词的适当形式填空，使短文通顺、正确、连贯(每个单词限用一次)。 something, not, tree, simply, spend, you, why, that, they, if, little, go, in, on, protect The Earth needs a helping hand The Earth is ...
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