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【判断题】
所有前端设备的安装应隐蔽、牢固；应尽量与安装环境相协调，既保证设备使用的舒适和便利，又要尽量降低对安装环境的破坏。（）A.
正确
B.
错误
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举一反三
【单选题】World War Ⅱ caused a transit prosperity during 11 and 1The company was able to buy 1 used streetcars.
A.
Y
B.
N
C.
NG
【多选题】What were the cost of the World War I to Britain?
A.
The war caused the Great Depression.
B.
The war caused a huge national debt.
C.
Britain lost the sea supremacy.
D.
The war drained of its manpower.
【简答题】普通气管插管保留一般不超过（）小时，经鼻插管可（）。
【单选题】The war against Iraq and the suffering ___ __caused have become a big concern all over the world.
A.
it
B.
what
C.
which
D.
that
【单选题】World War I caused the suspension of the gold standard for fixed international exchange rates because the war
A.
cost too much money.
B.
interrupted the free movement of gold.
C.
lasted too long.
D.
used gold as the main ingredient in armament plating.
【简答题】普通气管插管保留一般不超过()小时，经鼻插管可保留()。
【简答题】普通气管插管保留一般不超过 小时,经鼻插管可保留 或更长时间 。
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