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【多选题】
属于茛科的植物有A.
大黄
B.
黄连
C.
黄花乌头
D.
黄精
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皮皮学刷刷变学霸
举一反三
【单选题】The national water plan includes the following EXCEPT______.
A.
limiting water use by farmers and factories
B.
compensation for losses due to the implementation of the plan
C.
improving water courses in the country
D.
struggle with rivers to combat water problem
【简答题】摩擦系数等于摩擦角的 。
【单选题】Water is one of the most important natural resources in the world. Everywhere, water use is【61】. Humans already use fifty-four percent of all the【62】 water in rivers, lakes and underground. There are ...
A.
increasing
B.
extending
C.
decreasing
D.
diminishing
【单选题】People in some parts of the world often take their water for______. They use as much water as they wish.
A.
granted
B.
sure
C.
certain
D.
pleasure
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