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【判断题】
铁屑和碳颗粒浸没在酸性废水中,形成众多微原电池以电化学反应净化废水。 ( )A.
正确
B.
错误
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The traffic was _________when the car accident happened .
A.
held up
B.
held out
C.
held on
D.
held down
【单选题】In my opinion, being impatient is______ with being a good teacher.
A.
intrinsic
B.
ingenious
C.
incompatible
D.
inherent
【单选题】The traffic was held __________ by an accident for two hours.
A.
on
B.
out
C.
to
D.
up
【单选题】The reason ( ) he was late for the meeting was ( ) he was held up by the traffic jam during rush hours.
A.
why; because
B.
which; that
C.
why; that
D.
that; because
【简答题】阅读理解。 Being a youth is one thing, and being a good one is another. A good youth should have these qualities (品德): First of all, health. A healthy body is the best riches. Without it, nothing can be do...
【简答题】Being impatient is ________ with being a good teacher. A) intrinsic B) ingenious C) incompatible D) inherent
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