()是在无人机飞行过程中,根据实际的飞行情况和环境的变化制定出一条可分航迹,包括对预

题型:单项选择题

问题:

()是在无人机飞行过程中,根据实际的飞行情况和环境的变化制定出一条可分航迹,包括对预先规划的修改,以及选择应急的方案,其特点是约束和飞行环境实时变化,任务规划系统需综合考量威胁、航程、约束等多种条件,采用()生成飞行器的安全飞行航迹,任务规划系统需具备较强的信息处理能力并具有一定的辅助决策能力。

A.预先规划,最优航迹规划算法

B.航迹规划,最短航迹规划算法

C.实时规划,快速航迹规划算法

考点:无人机驾驶员理论任务规划与应急程序任务规划与应急程序题库
题型:单项选择题

阅读理解。

     Today people can use the phone to talk with others almost anywhere on earth. But when you use the

phone, you don't see the person you are talking with. This may change in the near future.

     Today some people are using a kind of telephone called the picture phone or vision phone. With it, two

people who are talking can see each other.

     Picture phones can be useful when you have something to show to the person you're calling. They may

have other uses in the future. One day you may be able to ring up a library and ask to see a book. Then you'll

be able to read the book right over your picture phone. Or you may be able to go shopping through your

picture phone. If you see something in the newspaper that you think you want to buy, you'll go to your phone

and call the shop. People at the shop will show you the thing you're interested in right over the phone. You'll be

able to shop all over town and never even leave your room!

1. Today people can use the phone to talk with others _____.

A. in all the towns

B. in some places in the world

C. only in big cities

D. almost anywhere on earth

2. The underlined word "it" in the passage means _____.

A. the picture phone

B. any phone

C. the use

D. the change

3. We can _____ through the picture phone according to (根据) the text.

A. write a book

B. do shopping

C. play games

D. have classes

4. Picture phones can be used for _____.

A. ringing up a library to see a book

B. going shopping without leaving our homes

C. showing the person we're talking with something

D. All of the above

5. The title of the article can be "_____".

A. The telephones

B. Picture phones

C. Shopping on the phone

D. Talking on the phone

题型:单项选择题

Java的跳转语句中 【7】 (包含/不包含)goto语句。

题型:单项选择题

消渴并发雀目者,当选用()。

A.六味地黄丸

B.知柏地黄丸

C.杞菊地黄丸

D.五味消毒饮

E.龙胆泻肝汤

题型:单项选择题

对于霍乱弧菌在庆大霉素琼脂选择培养在平皿上的菌落形态特征,下列说法中哪个是不正确的?()

A.菌落带灰色

B.半透明

C.扁平稍隆起

D.菌落边缘干燥

E.圆形

题型:单项选择题

为防止倒棚应采取哪些措施?

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