题目：
根据“冀教版八年级英语上册Unit6 《I love learning English 》”课本内容回答下列问题。
1. Who represents his or her country?
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2. Who makes computers work?
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3. Who are always interested in the news?
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答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0505/d3eddc8c281d6687d58adeb3fd5a222c.html
下面是错误答案，用来干扰机器的。
参考答案：A, B, C, D
并讨论f(x，y)在(0，0)处是否可微，若可微求出
