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【单选题】
医院的主要功能是下列哪项A.
医疗
B.
教学
C.
科学研究
D.
预防
E.
保健
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举一反三
【单选题】—I'm sure our class will win the relay race in the school sports meet. —_______. [ ]
A.
I hope so.
B.
I don't think.
C.
I'd love to.
D.
That's right.
【单选题】which one of the following descriptions about the shear force in laminar flow for a round tube is correct?
A.
the shear force is a constant
B.
the shear force on pipe wall is zero
C.
the distribution of shear force over the cross section of pipe is parabola parabolic
D.
the shear force at the axis of pipe is zero and has linear relation to the radius
【简答题】计算机联锁系统的联锁微机应采用（）方式、二乘二取二或三取二容错方式的可靠性硬件结构。
【简答题】计算机联锁系统的联锁机应采用( )方式、( )或三取二容错方式的可靠性硬件结构
【简答题】我国栽培的甜瓜可分为( )、( )两大类型。
【简答题】CTC车站系统应采用带（）的串口通信方式与其他系统相连，与列控中心、计算机联锁、集中监测等关联设备间相互通信正常。
【单选题】I think I will _____________ the sports meeting ___________ in our school.
A.
join; hold
B.
join in; will be held
C.
attend; which will hold
D.
take part in; which will be held
【单选题】I hope our school will be ______ .
A.
more beautiful and more beautiful
B.
more beautiful and beautiful
C.
more and more beautiful
D.
beautiful and beautiful
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