当日第一次发布机场天气报告、机场预报和航路预报的更正报时,应当在其报头时间组后加注()。
A、CCA
B、AAA
C、RRA
参考答案:A
治疗急性早幼粒细胞白血病是()
A.CHOP
B.DA
C.苯丁酸氮芥
D.MOPP
E.维A酸
When he fails his final examination, he is sure of a university place.
A.If
B.In case
C.Even when
D.Even if