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【单选题】
土的含水量是指土中的 ( ) 。A.
水与湿土的重量之比的百分数
B.
水与干土的重量之比的百分数
C.
与孔隙体积之比的百分数
D.
水与干土的体积之比的百分数
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反馈参考答案：
举一反三
【单选题】Some automated clearing houses will be established in the cities of the future to handle electronic ___ .
A.
transfers
B.
transform
C.
change
D.
move
【简答题】Some attractive rural regions not far from the cities are witnessing a certain ______ , as more and more childless seniors move towards cities.
【单选题】In some people's opinion, cities are the starting place for the creation of human civilization.
A.
Y
B.
N
C.
NG
【简答题】The rapid growth of cities worldwide over the next two decades will cause significant risks to people and the global environment, according to ysis. Researches from Yale and Stanford predict that ...
【单选题】In the opinion of a British editor, the richer cities tend to be more polite because people in the wealthier cities are better educated.
A.
Y
B.
N
C.
NG
【单选题】In some cities of North China, the noise pollution is as pronounced as that in Tokyo.
A.
contemptuous
B.
contagious
C.
conspicuous
D.
contemplated
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