For real time event processing, which three clients can you use?()
第1题:
Describe how to estimate the load time of a large ETL job.
Real Time ETL
简述如何评估大型ETL数据加载时间。
第2题:
第3题:
A.right
B.true
C.sure
D.real
第4题:
Real—time服务
第5题:
实时流协议RTSP(Real-Time Streaming Protocol)由Real Networks和Netscape共同提出,是工作在RTP和RTCP之上的()协议。
第6题:
With ______ you can communicate in real time with people all around the world.
A.E-mail
B.WWW
C.FTP
D.web chat
第7题:
第8题:
A.If I had time, I would study French
B.If I have time, I will study French
C.If I had had time, I would have studied French
D.If I should have time, I would study French
答案:B
解析:条件句可分为两类,一类为真实条件句,一类为非真实条件句。非真实条件句表示的是假设或实际可能性不大的甚至完全不可能发生的情况,故采用虚拟语气。
A选项中,if+主语+一般过去时表示与现在事实相反,为虚拟语气;B选项中,if引导的是一个一般现在时的条件状语从句,为真实条件句;C选项中,if+主语+had done表示与过去事实相反,为虚拟语气;D选项中,if+主语+should do表示与将来事实相反,为虚拟语气。题干意为:下列条件句中那个是真实条件,所以答案选B。
第9题:
Real-time服务
第10题:
RT-PCR就是real-time PCR。