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【单选题】
新斯的下列哪一个作用最强大A.
收缩胃肠平滑肌
B.
收缩膀胱逼尿肌
C.
收缩支气管平滑肌
D.
收缩骨骼肌
E.
抑制心肌
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反馈参考答案：
举一反三
【单选题】The mountain place is beautiful, but ______ the working conditions, it's terrible.
A.
when mentioned
B.
when it comes to
C.
when it is said
D.
when it dies to
【单选题】Under normal weather and sea conditions when securing a stack of containers with twist locks，lashings are required when the tier exceeds what height?
A.
Lashings are always required
B.
One container
C.
Two containers
D.
Three containers
【单选题】When under maneouvring conditions with the machinery being manually operated the control unit or console should be _____.
A.
automatically controlled
B.
continuously manned
C.
off power
D.
none of the above is true
【单选题】The mountain place is beautiful, but______the working conditions, it is terrible.
A.
when mentioned
B.
when it comes to
C.
when it is said
D.
when it dies to
【单选题】Under what conditions should the bypass operation be performed?
A.
When a general practitioner is available to perform. it.
B.
When there is room in the hospital emergency ward for the patient.
C.
When the patient can be expected to show favorable results.
D.
When the doctor recommends against it.
【单选题】Why was Clive puzzled when the driver spoke about the weather conditions? ______
A.
Because the weather conditions didn't look like changing.
B.
Because the driver couldn't possibly race that day.
C.
Because the driver thought conditions would be the same in Argentina.
D.
Because the distance to Buenos Aires had surprised the man.
【判断题】The fatigue failures have occurred under such conditions when the stresses developed were below the ultimate stress and frequently below the yield strength.
A.
正确
B.
错误
【单选题】When under maneuvering conditions with the machinery being manually operated the control unit or console should be
A.
automatically controlled
B.
continuously manned
C.
off power
D.
continuously unmanned
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