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【判断题】
机械密封的主要作用是将易泄漏的轴向密封改变为较难泄漏的端面密封。机械密封包括动密封环，静密封环，弹簧加载装置和静密封原件等。A.
正确
B.
错误
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【简答题】护士小马,夜班下班前将总结的危重病人24h出入液量记录在当天体温单的相应栏内时用
【简答题】教学始终具有教育性．()
【单选题】—The constant noise around here _______ me crazy! —Calm down. It's no use complaining. [ ]
A.
drove
B.
drives
C.
is driving
D.
had driven
【简答题】Calm down, there`s nothing to ___________.(担忧,焦虑)
【简答题】Calm down! Let's not be ______ worried.(due)
【单选题】We must ________ to all kinds of lies. Let's calm down and settle the problem. [ ]
A.
come to an end
B.
keep one's end up
C.
put an end
D.
bring it to an end
【单选题】The book is for the students ___ native language is not English.
A.
that
B.
which
C.
of which
D.
whose
【单选题】You'd better calm down and think of a solution as quickly as possible! That's the key _____ our project successfully. [ ]
A.
to finish
B.
to finishing
C.
finishing
D.
finish
【单选题】There’s a(n) ___ of peace and calm in the countryside, completely different from that in the city.
A.
character
B.
atmosphere
C.
situation
D.
strength
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