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【判断题】
根据是否保持土壤的原有结构，可将土壤样品类型分为扰动型和原状土，分析中大多数采用原状土样品进行分析A.
正确
B.
错误
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举一反三
【判断题】Transformation from austenite to martensite is diffusion-depedent process.
A.
正确
B.
错误
【简答题】the transformation from high-speed to high-quality development
【单选题】Paralleling the spread of democracy, since the 1980s there has been the transformation from:
A.
free-market economies to socialist economies.
B.
mixed economies to collectivist economies.
C.
open economies to closed economies.
D.
command economies to market-based economies.
【单选题】下列关于植草沟说法错误的是( )
A.
植草沟指种有植被的地表沟渠,可收集、输送和排放径流雨水,并具有一定的雨水净化作用
B.
植草沟适用于建筑与小区内道路,广场、停车场等不透水面的周边,城市道路及城市绿地等区域
C.
不可作为生物滞留设施、湿塘等低影响开发设施的预处理设施
D.
植草沟具有建设及维护费用低,易与景观结合的优点
【单选题】下列关于边沟说法错误的是()
A.
边沟的纵坡一般与路线纵坡一致；
B.
公路上土质边沟一般采用矩形截面，石质边沟一般采用梯形截面；
C.
流线型边沟一般适用于积雪积砂路段；
D.
边沟可采用浆砌片石、浆砌卵石和水泥混凝土预制块防护；
【简答题】Now that saying is being turned on its head as America undergoes a transformation from a society for youth into a nation in which middle-aged and elderly people set the pace by mere force of number.
【简答题】Since ( ), the transformation of Chinese society, especially the transformation from planned economy to market economy system, has made great changes in the environmental factors for the operation ...
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