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【判断题】
斜梁按坡度大于10°且小于30°综合考虑的A.
正确
B.
错误
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举一反三
【单选题】I know it’s important to live an environmental life. So I _______ my story books to the kids.
A.
give out
B.
give up
C.
give away
D.
give back
【简答题】A．To raise more fund for the poor communities which need assistance on environmental issues. B．To stem the terrible tide of global poverty and environmental degradation. C．To improve citizen access to...
【简答题】在 PLC 运行时,总为 ON 的特殊存储器位是 。
【单选题】发动机罩是否前移或后车窗是否后移;车门可能吻合得很好,但挡板、车身或车架的拐角处皱折或有其他严重变形,可能发生( )。
A.
断裂变形
B.
上下弯曲变形
C.
左右弯曲变形
【单选题】Environmental pollution has been a big concern for many countries. I think governments should put environmental issues high on the ()(议事日程).
A.
agenda
B.
agency
C.
scale
D.
scanning
【简答题】The main task now facing ecologists, environmental activists and conservationists is ________. A) to pr pollution by legislation, economic incentives and persuasion B) to arouse public awareness ...
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