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在TCP/IP协议中,运输层用于区分不同进程通信的标识称为 。 为了是通信不至于发生纷乱,引入了套接字的概念,套接字由IP地址和 两部分组成。
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【简答题】企业在选定目标市场之后，还要决定怎样占领市场，为自己的产品和品牌确定一个 恰当市场地位，这就需要进行( )。 A、研究开发 B、市场调研 B、市场定位 D、市场细分
【简答题】阅读理解。 There is Liu Fei's room. It's a small but nice room. On the wall, there are two maps. One is a map of China, the other is of the world. There's a desk in front of the window and on the desk ther...
【单选题】企业在选定目标市场之后，还要决定怎样占领市场，为自己的产品和品牌确定一个恰当的市场地位，这就需要进行（ ）。
A.
研究开发
B.
市场调研
C.
市场细分
D.
市场定位
【简答题】Complete the sentences with words from the following list. hide artifacts ancient region experienced located underground deep massive discovered 1. The Great Wall of China is an wall. It is over 2,000...
【简答题】Choose the correct answer for each item. 1. The Great Wall of China is an 1._______ (underground/ancient) wall. It is over 2,000 years old. 2. The people who built the Great Wall 2.________(located/ex...
【简答题】选择你听到的句子将序号写在括号内。 ( ) 1. A. Don't draw on the wall. B. Don't write on the wall. C. Don't sleep on the grass. ( ) 2. A. His telephone number is 422525. B. His telephone number is 242525. C....
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