以下关于GNSS的描述中,错误的是()。 A.能接收到信号的卫星数量越多,则定位精度

题型:单项选择题

问题:

以下关于GNSS的描述中,错误的是()。

A.能接收到信号的卫星数量越多,则定位精度越高

B.能接收到4颗以上卫星信号时就能测算出海拔高度

C.GMSS接收机只要使用与3颗卫星之间的距离信息就可以计算出自己的经纬度

D.定位信号每一秒钟更新一次

考点:通信工程师智能网原理智能网原理题库
题型:单项选择题

风险是一种不以人的意志为转移、独立于人的意识之外的客观存在。尽管人们在一定的时间和空间内可以发挥主观能动性改变风险存在和发生的条件,进而降低风险发生的频率与损失程度,但绝对不可能消灭风险。体现了风险的()。

A.客观性

B.普遍性

C.可测性

D.不确定性

题型:单项选择题

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项.选项中有两项为多余选项

It seems that the Englishmen just cannot live without sports of some kind. 小题1:   

Wherever you go in this country, you will see both children and grown-ups knocking a ball about with a stick or something, as if in Britain men shall always remain boys and women girls! Still, it can never be bad to get exercise, can it?

Taking all amateur(业余)and professional sports in Britain into consideration, there can be no doubt that football is at the top of the list. 小题2: The game originated(起源于)in Britain and was played in the Middle Ages or even earlier, though as an organized game, or “association football”, it dates only from the beginning of the 19th century.

 小题3:  . It is a kind of football played by two teams of fifteen players than eleven. In rugby, an oval-shaped ball is used which can be handled as well as kicked. It is a pretty rough game.

In summer, cricket is the most popular sport. In fact, it has sometimes been called the English national game. Most foreigners find the game rather slow or even boring, but it enjoys great popularity among the British.

  小题4:  . It was introduced into England from France in the 15th century, but it was from England that it spread to practically every country in the world.

Table tennis, or “ping-pong, surely is not played on a great scale as it is in China or Japan.   

小题5:  . Horse-back riding, swimming, rowing and golf all attract a lot of people.

A.A famous French humorist once said that this is because the English insist on behaving like children all their lives.

B.It is called soccer in the United States

C.The next is rugby, which is called “football” in the United States

D.Tennis rates high on the list, tooE. Basketball and volleyball were introduced into Britain during the late 19th century from America and are gaining popularity

F. people often work out to build up their bodies.

G. not everyone likes ball games  

题型:单项选择题

患者,男性,75岁,体检胸片示左下肺类圆形密度增高影入院。既往慢性支气管炎20年,吸烟40年。入院CT检查示左下叶背段大小约4cm的结节影,边缘较规整,少许毛刺,有分叶,其内可见直径约3mm的空泡1个。CT值为40Hu,增强后呈均匀强化,CT值为80Hu。余未见异常。

该患者最可能的诊断是()

A.支气管腺瘤

B.肺脓肿

C.肺结核

D.肺癌

E.炎性假瘤

题型:单项选择题

下列选项中,属于制定标准的审查阶段的是( )。

A.发往有关单位或者专家征求意见

B.处理意见

C.会审

D.提出标准报批稿

E.函审

题型:单项选择题

《技规》第206条中列车机车与第一辆车的连挂及车钩摘解、软管摘结、电气连接线的连结与摘解的规定有哪些?

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