【简答题】怎样确定经纬仪测竖直角的计算公式?并写出通式。
【多选题】Is London in England or is England in London?
B.
London is the capital of England.
D.
London is the name of a city.
【多选题】以下关于IP协议描述正确的是 ( )。
A.
每一个IP地址包括两部分:网络地址和主机地址
B.
IP地址是IP网络中数据传输的依据,它标识了IP网络中的一个连接
D.
IP分组中的IP地址在网络传输中是保持不变的
【判断题】在计数跳比赛中,运动员常选用竹节绳进行比赛
【简答题】Riding a London subway, a person from China will notice one major difference; in London, people do not look at each other. In fact, eye contact is avoided at all time. That's not rudeness— people are ...
【单选题】下列关于IP协议的表述不正确的是()。
A.
IP协议维系着整个TCP/IP协议的体系结构
B.
除了数据链路层外,TCP/IP的所有协议的数据都是以IP数据报的形式传输的
D.
IPv4在设计之初没有考虑安全性,IP包本身并不具备任何安全特性
【单选题】London is composed of______ and ______.
A.
London boroughs; City of London
B.
London boroughs; Greater London
C.
Greater London; City of London
D.
London boroughs; City of London and Greater London
【单选题】Why are London taxi drivers efficient
A.
Because they all grow up in London.
B.
Because they have a special license.
C.
Because they all have gone through a very tough training period.
D.
Because they drive at a high speed.
【单选题】The young man comes from a(n) ________ family,who owns several companies in London and Paris.