题目内容

即使信号镜发出的求救信号被发现，为引起高度重视，需要再对着飞机发信号。()

查看答案

搜索结果不匹配？点我反馈

更多问题

According to the first two paragraphs, which has the least probability to happen on mentally troubled undergraduates？

A. Have an eating disorder.
B. Cut themselves deliberately.
Consider committing suicide.
D. Seek help from counselors.

3公顷约等于7.5英亩。()

入住饭店后需观察房间门后所张贴的安全疏散示意图，熟悉饭店内各安全通道的位置。()

突出拍摄主体的高大选择仰视角度拍摄，突出拍摄主体的广阔选择平视角度拍摄，对精细主体拍摄不仅要选择俯视角度，而且应选用微距拍摄模式。()