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【判断题】
锅炉的信号系统有两种,一种是热工信号系统,一种是电气信号系统。
A.
正确
B.
错误
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举一反三
【单选题】等离子弧切割的原理是利用高温的等离子弧来_____金属。
A.
燃烧
B.
熔化
C.
冲击
D.
氧化
【单选题】在经典的心理旋转实验中,因变量是
A.
反应时间
B.
旋转角度
C.
再认数量
D.
回忆数量
【判断题】在安排色序时,前一色油墨黏性一定要大于后一色油墨的黏性。
A.
正确
B.
错误
【简答题】Many European countries adhere to the Madrid Agreement, which locates its ______ in Geneva.
【单选题】___ with the increasing unemployment, many people went on strike in most of the European countries.
A.
Facing
B.
Being faced
C.
Faced
D.
Having faced
【简答题】试论述 网络消费的需求特点和趋势 。
【简答题】Many American and European companies with high rate can still live by themselves for a year for their ______.
【单选题】—The current European debt crisis is affecting many countries in the world. —Will it be at least several years __________ everything returns to normal?
A.
when
B.
before
C.
that
D.
since
【单选题】Many countries in the Far East are trying hard to gain _______ into the European Union, in which they believe they can _____ the benefits it offers. [     ]
A.
permission; appreciate
B.
admission; enjoy
C.
entry; admire
D.
acception; share
【单选题】The last sentence of the passage suggests that
A.
European countries disaccord in many issues.
B.
some European countries are shouldering more responsibility.
C.
some European countries don’t trust EU in many issues.
D.
Some countries consider climate change as an important issue.
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