每个题目用三个电极片。
题目：是用泵还是不用泵？
不同国家不同地区面临的情况是不同的，何必用这么大一个题目？
Different countries and areas have different situations, so why take such a big topic?
一旦有消极的想法，马上用积极的题目提问自己。
When catch negative thought, immediately ask yourself good questions.
您能在熟悉的题目下用课内的知识，创造中文句子。
You are able to use wonderful Chinese characters to write about the topic.
您能在熟悉的题目下用课内的知识，创造中文句子。
You are able to use wonderful Chinese characters to write about the topic.
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