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搜题
【单选题】
可显著降低肾素活性的降压药是:
A.
普萘洛尔
B.
肼苯哒嗪
C.
可乐定
D.
氢氯噻嗪
E.
利血平
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举一反三
【多选题】Which of the following transport modes are belong to multimodal transport? ( )
A.
sea/air
B.
air/road
C.
piggyback
D.
sea/piggyback
【单选题】Which of the following is intermodal transport?
A.
Water transport.
B.
Air transport.
C.
Truck transport.
D.
Transport with several modes.
【单选题】In a data communication system, which transport media can be described as following: Has two classes: single mode and multiple mode with higher transmit rate with the best reliability
A.
radio channel
B.
fiber optic cable
C.
twisted-pair cable
D.
coaxial cable
【单选题】Which of the following transport mode is suitable for the door to door transport?
A.
Sea/air
B.
Mini-bridge
C.
Piggyback
D.
Land bridge
【判断题】在带的线速度一定时,增加带的长度可以提高带的疲劳寿命。 ()
A.
正确
B.
错误
【单选题】某公司生产联产品A和B。7月份发生加工成本650万元,分别生产了50吨的A产品和70吨的B产品,其中A产品的价格为15万元/吨,B产品的价格为25万元/吨,若采用售价法,A产品的成本为( )。
A.
243.75
B.
406.25
C.
195
D.
455
【单选题】Muhimodal transport refers to a transport system usually operated by a carrier with more than one mode of transport under the control or ownership of one operator.( )
A.
正确
B.
错误
【判断题】在带的线速度一定时,增加带的长度可以提高带的疲劳寿命。()
A.
正确
B.
错误
【简答题】Sea train is another innovation in the muhimodal transport system which is the same as roll-on, roll.off system.( )
【单选题】Which is the earliest mode of transport?
A.
Air transport
B.
Sea transport
C.
Human-powered transport
D.
Pipeline transport
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