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【单选题】
Windows上运行的ping命令发送()个ICMP(控制报文协议)请求,每个请求为()字节数据A.
2 8
B.
4 16
C.
4 32
D.
8 32
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【单选题】听力原文：Seven. What is the weather forecast for tomorrow? Woman: It's been typical spring weather today, sunshine and showers. The next twenty- four hours should be dry but cloudy. Things look better for...
A.
B.
C.
【单选题】“Sup? What up? or Whazzup / Whassup?” These greetings are abbreviations of ( ) .
A.
“what’s up?”
B.
What ’ s matter?
C.
What are you doing?
【单选题】In what way is Linda Robinson typical of the company's senior staff?
A.
She started working for the company at a low level.
B.
She brought experience from another industry.
C.
She used to run her own company.
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