The troops have been on the ______ for a possible enemy attack.

admin2006-01-14  30

问题 The troops have been on the ______ for a possible enemy attack.

选项 A、alarm
B、alert
C、warning
D、notice

答案B

解析 A. alarm报警,警报,警报器,B.alert警惕,警报,on the alert for警惕……,警觉……,随时准备着,密切注意着;C. warning警告,D.notice注意,通知。
转载请注明原文地址:https://jikaoti.com/ti/NNcYFFFM
0

随机试题
最新回复(0)