【判断题】计算机网络的三个主要组成部分是若干主机、一个通信子网、一组通信协议。
【单选题】---What's the difference between the first house and the second ? ---The first house has a garage while the second has _____.
【单选题】A man's first job ________
A.
is never the right job for him
B.
should not be regarded as his final job
C.
should not be changed or people will become suspicious of his ability to hold any job
D.
is primarily an opportunity to fit himself for his final job
【单选题】咳嗽痰少,咽干,属燥热伤肺者,治疗宜选用()
【判断题】各类食物在均衡营养中的地位、比重是一样的。
【简答题】家庭电路中,当电路发生故障时,电工师傅常用一只额电压为220V的灯泡L 0 (检验灯泡),放在保险丝位置上,并且断开保险丝,来检查家庭电路中每个支路的情况,如图所示,当S闭合时,再逐一闭合Sl、S2、S3(每次只闭合其中的一个开关)时,可能出现下列几种现象,请你根据所提供的现象判断电路的状况(选填:“短路”、“断路”或“正常”): (1)L 0 不亮,说明该支路____。 (2)L 0 正常发光,...
【多选题】出现灯光故障所有灯都不亮故障现象时,可能的故障原因是( )。
【单选题】According to the passage, a man's first job ______.
A.
is never the right job for him
B.
should be regarded as his final job
D.
is primarily an opportunity to fit himself for his final job
【单选题】How did the narrator find his first job?
A.
With the help of the policeman, he found his first job.
B.
He found the job by himself.
C.
With the help of Zurabeg, he found his first job.
D.
He was provided a job by the the government.
【判断题】8计算机网络的三个主要组成部分是若干主机、一个通信子网、一组通信协议。