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【单选题】
地下停车库的通风系统节能运行,宜根据车库内的某种气体浓度进行自动运行控制,该种气体应是下列哪一项
A.
O 2
B.
CO
C.
CO 2
D.
NO X
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【单选题】While we plan our railway buildings with a life span of 100 years, we also know that a quake measuring over seven on the Richter scale might______once in 120 years, though we never expected it to happ...
A.
appear
B.
develop
C.
erupt
D.
emerge
【单选题】Not only_______know the theory, but also_______learn how to apply it in practice.
A.
should we; should we
B.
we should; we should
C.
should we; we should
D.
we should; should we
【单选题】某企业年初所有者权益总额160万元,当年以其中的资本公积转增资本50万元。 当年实现净利润300万元,提取盈余公积30万元,向投资者分配利润20万元。该企业年末所有者权益总额为( )万元。
A.
360
B.
410
C.
440
D.
460
【单选题】--We all know that paper is made ________ wood. -- Yes, we can also say that wood can be made ________ paper.
A.
of, from
B.
of, into
C.
from, into
D.
from, of
【单选题】We should be glad to know ()what terms you would be willing to represent us, also the terms on which business is generally conducted in your country.
A.
upon
B.
with
C.
on
D.
to
【判断题】部分要素的组合检索中通常是减少技术主题基本检索要素。
A.
正确
B.
错误
【单选题】From Socrates’ debate with his students, we know that _____.
A.
good people never cheat others.
B.
none of the above
C.
we should define what is good and what is evil according to different situations.
D.
we should not steal away our friend’s tool when he is committing suicide.
【单选题】Know font if we want to the success but they may also________ out thinking.
A.
direct
B.
limit
C.
change
D.
improve
【单选题】We all know that ancient people also counted ______ tens. [     ]
A.
in
B.
on
C.
with
D.
by
【简答题】阅读理解。 Maybe it is true that we do not know what we have got until we lose it, but it is also true that we do not know what we have been missing until it arrives. It takes an hour to like someone, and ...
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