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【单选题】
某除尘系统(一个含尘气体进口，一个净化气体出口和收集粉尘口)，已知每小时进入除尘系统的烟气量Q 0 为12000m 3 ，含尘浓度C 0 为2 200mg/m 3 ，每小时收下的粉尘量G 0 为22kg，若不考虑除尘系统漏气影响，净化后的废气含尘浓度为______。A.
36.67mg/m 3
B.
46.68mg/m 3
C.
366.67mg/m 3
D.
466.8mg/m 3
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举一反三
【单选题】I think this problem is _______ that one. [ ]
A.
easy
B.
easier
C.
easier than
D.
the easiest
【单选题】This problem is ________ that one.
A.
not so easy as
B.
more easy than
C.
not so easier as
D.
more easier than
【简答题】A．The exam was easier. B．Tom is sure that he will do better. C．The exam is easier than last one. D．Tom is afraid of failing the exam.
【简答题】It is easier to make a plan than _________。
【单选题】If the newpayment methods make it easier for consumers to pay，could they make it easier for criminals too?
A.
如果这些新的付款方式更便于消费者付款，是否对犯罪也更方便呢?
B.
如果新的购物方式更容易使消费者满意，难道对罪犯不也是如此吗?
C.
如果新的购物方式更方便了顾客，不也就更容易使人犯罪吗?
D.
如果新的付款办法便于人们消费，不也就更易于犯罪了吗?
【单选题】Which is ______ to learn, fishing or swimming? [ ]
A.
easy
B.
easier
C.
the easier
D.
more easily
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