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【判断题】
对象特性放大系数Km是动特性，时间常数Tm和滞后时间τ m 是测量元件和变送器的静态特性。A.
正确
B.
错误
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【简答题】阅读理解 It may sound strange, but cutting down a real tree for Christmas is actually greener than going with the artificial kind, one scientist says. 'It is a little confusing to people,' said Clint Spri...
【简答题】The passage is mainly about ______on cutting down on it.
【单选题】听力原文：(A) A man is climbing a tree. (B) Cars are stuck in traffic. (C) He is cutting down the tree. (D) A man is crossing the street.
A.
B.
C.
【简答题】A．Conducting surgery on the tree. B．Catching a fruit bat up a tree. C．Cutting trees on an island. D．Climbing a skyscr.
【单选题】After cutting down the tree, they _____ a little boat out of it．
A.
went on to make
B.
went on making
C.
went on with
D.
continued
【简答题】A.Cutting down a dead tree. B.Planting new trees on campus. C.Identifying unusual trees. D.Landscaping their yard.
【单选题】It's our duty to _____ people _____ too many tree. [ ]
A.
stop; cutting down
B.
prevent; to cut
C.
keep; cutting down
D.
make; cut down
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