Lesson 25 model exchange -C
A. loss of cabin pressur
B. Fly to the south
C. Emergency descent
D. heading 080
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Lesson 25 model exchange D
A. Takeoff abandoned
B. Overrun the runway
C. Takeoff cancelled
D. Skid off the runway
Lesson 25 model exchange G
A. The hijacker requests a car waiting on the runway
B. The hijacker threatened to blow up the aircraft
C. The hijacker forced the crew to divert to Tango
D. The hijackers keep two passengers as hostages
目前我国最早的青铜器是( )。
A.司母戊鼎
B.四羊方尊
C.马家窑铜刀
D.毛公鼎
下列关于给水管网节点流量的表述,哪项不正确?( )
A. 节点流量是根据节点相接管段通过沿线流量折算得来的,同时应包括集中流量
B. 在节点流量计算中,管段流量按1/2的比例纳入两端节点
C. 节点流量是为满足简化管网计算而得出的流量值
D. 节点流量数值及其分布将影响管网计算结果的合理性
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