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Our first objective was to solve the problem of food and clothing, which we have now done.
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On no account can we ignore the value of knowledge.
China is a large country with four-fifths of the population engaged in agriculture, but only one tenth of the land is farmland, the rest being mountains, forests and places for urban and other uses.
Part II WritingDirections: Write an essay on the following topic. The topic has an outline you can followTopic:How to Bridge the Generation Gap?The differences between parents and children can be well observed in almost every family.1) have an open discussion2) understand each person has his limitations3) cooperate to build up a close-knit family relationshipEach family can enjoy a cozy atmosphere
主机甲与主机乙之间已建立一个TCP连接，双方持续有数据传输，且数据无差错与丢失。若甲收到1个来自乙的TCP段，该段的序号为2020、确认号为1166、有效载荷为300字节，则甲立即发送给乙的TCP段的序号和确认号分别是
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