问题补充:
passenger plane crashed near Gazvin, Iran and all 168 people onboard were killed.
A. A; a
B. A; /
C. The; the
D. The; a
答案:
A. A; a
(答案→)B. A; /
C. The; the
D. The; a
解析:考查冠词。句意:一架客机在Gazvin, Iran附近坠毁,机上168人全部遇难。结合语境可知前文泛指任何一架客机,下文为固定短语on board,在机上,故用冠词。故选B。