"世界未来的竞争，就是（)的竞争"
A. 知识产权
B. 人才
C. 科技
D. 文化
为方便旅客和便于工作，凡北京站和上海站始发的各次特、直快列车车厢号均（)。
A. 小号在前、大号在后
B. 大号在前，小号在后
C. 无顺序安排要求
D. 由铁道部定
The most important information to be obtained from a barometer is the （).
A. difference between the reading of the two pointers，which shows wind direction
B. last two figures of the reading of the pointer，such as 87，76，or 92
C. present reading of the pressure，combined with the changes in pressure observed in the recent past
D. weather indications printed on the dial(such as cold，wet，eetc.)under the poin
The FIRST course of action in fighting a fire in a cargo or fuel oil tank is to _____.
A. secure all openings to the tank
B. discharge an initial charge of CO2 with a hand portable extinguisher
C. direct a fire hose into the tank and energize the fire main
D. spray the tank boundaries with a fire hose to promote cooling
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