题目内容

高速飞机气动外形变化的主要目的是()

A:提高热障
B:提高临界马赫数
C:改善飞机的跨声速空气动力特性
D:减小波阻

查看答案

搜索结果不匹配？点我反馈

更多问题

后掠机翼的缺点主要有()

A:低速特性不好
B:副翼的操纵效率下降
C:机翼结构的受力形式不好
D:会导致飞机小迎角失速

Fill in the blanks with the words you hear in the recording.[音频]Prosecutor: There is only one question that any military court need ask of the _: do you deny disobeying Col. Sangston's direct orders?Judge: Well, do you, Private?Desmond Doss: No, sir, I don't.Judge: Why are you it, then? Why is it so important to you, given your _to even touch a weapon to serve in a combat unit?

Fill in the blanks with the words you hear in the recording.[音频]I got the energy and the passion to serve as a medic, right in the middle with the other guys. No less danger, just... while everybody else is _life, I'm going to it. With the world so set on_______________, it doesn't seem like such a bad thing to me to wanna put a little bit of it back together.

以下关于短视频广告脚本要注意的几个点不正确的是（）

A. 受众
B. 风景
C. 情绪
D. 细化