短听力综合练习-9-13
A. One passenger on board is injured.
B. One passenger on board is in danger.
C. One passenger on board has a heart attack.
D. There is an unruly passenger on board.
短听力综合练习-9-14
A. bomb threat
B. bomb on board
C. dangerous goods on board
D. unlawful interference
短听力综合练习-9-15
A. Two seagulls broke up the windscreen.
B. Port engine shut down due to bird strike.
C. Starboard engine shut down due to overheating.
D. Both engines shut down.
以( )的胜利为标志,中国资产阶级民主革命的时代背景发生了根本转换。
A. 十月革命
B. 辛亥革命
C. 五四运动
D. 北伐战争