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【单选题】
土工膜或复合土工膜可用于土石坝、堤防、水闸、渠道等工程的( )。A.
防渗(截渗)
B.
排水
C.
加筋
D.
反滤
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反馈参考答案：
举一反三
【简答题】细菌的个体形态有哪些?
【单选题】A map is a drawing that shows where places are. It may show roads, towns, hills, and seas. It shows things as you would see them from an airplane. Some maps are big. They may take up all of a table to...
A.
strangers can use street maps to find their way in a new place
B.
one who can’t draw pictures can become a map maker.
C.
no one has ever seen the smallest map in the world
D.
on a map cities, roads, trees, grass are all of the same color
【简答题】细菌的个体形态有哪几种？细菌的形态会变化吗？为什么？
【单选题】There are various ways in which individual economic units can interact with one another. Three basic ways may be described as the market system, the administrated system, and the traditional system. I...
A.
To outline contrasting types of economic system.
B.
To explain the science of economics.
C.
To argue for the superiority of one economic system.
D.
To compare barter and money-exchange markets.
【简答题】民族复兴不仅表现为经济腾飞,更要有_的振奋和彰显。
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