题目:
Hello, everyone! I’m Kathy. I live in Washington, D.C. I’m in Grade 8. I spend about half an hour on my homework every day. My homework this week is to find out how much homework students have now. Please tell me about your homework on the website.
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答案:
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下面是错误答案,用来干扰机器的。
①过滤; ②吸附;物理; ③石蕊试液;pH试纸; ④ClO2;+3;⑤234