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【单选题】
下列哪一项不是呼吸性碱中毒的原因A.
吸入气中氧分压过低
B.
癔症
C.
发热
D.
长期处于密闭小室内
E.
脑外伤刺激呼吸中枢
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反馈参考答案：
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】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
【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】在SELECT 查询中,要把结果中的行按照某一列的值进行排序,所用到的子句 是( )。
A.
ORDER BY
B.
WHERE
C.
GROUP BY
D.
HAVING
【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
【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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