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【单选题】
在正常生产时,应尽可能地控制好加氢裂化反应器各催化剂床层的入口温度,它们( )。A.
相等或相近
B.
有足够大的温差
C.
等于上一床层出口温度
D.
可节省冷氢用量
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【单选题】Chinese Premier Wen Jiabao _____ open the 2010 Asian Games in the middle of the Pearl River on Haixinsha Island. [ ]
A.
published
B.
declared
C.
announced
D.
called
【单选题】(单选题)习近平强调,高校马克思主义学院就是要坚持( )的鲜明导向和办学原则,推动马克思主义进校园、进课堂、进学生头脑,发挥应有作用。
A.
“自强不息，厚德载物”
B.
“海纳百川，取则行远”
C.
“自强不息，止于至善”
D.
“马院姓马，在马言马”
【单选题】The Yangtze River is ________ the Pearl 1 River.
A.
three times
B.
three times as long as
C.
as three times longer as
D.
as long three times as
【简答题】压线钳用来压制导线“ ”( )的专用工具。
【单选题】The Yangtze River is _____ the Pearl River.
A.
three times
B.
three times as long as
C.
as three times longer as
D.
as long three times as
【单选题】___ Pearl River flows into ___ South China Sea.
A.
The… the
B.
The…./
C.
The….the
D.
A….a
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