缺少足够的淡水和食物，求生人员会出现疲劳、乏力、嗜睡甚至昏迷现象。（）
参考答案：对
As a journalist, you should first decided what events ________ before you make some interviews,
thus ________ unnecessary trouble. [ ]
A. to report; avoiding
B. to be reported; avoiding
C. reported; to avoid
D. to report; avoided
冰区航行，遇到冰山时应及早在（）保持适当距离避离，如在大风浪天气发现有碎冰集结时，应在（）航行。
A.上风，上风
B.下风，下风
C.上风，下风
D.下风，上风
