科研之友
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摘要
<正>"Are you listening, Simon?"Simon’s teacher asked. It was a common question.Simon smiled and shook his head. He never listened or tried hard in class. Talking was so much better."One of these days, you’ll listen, and you’ll learn something,"Mrs. Jacobs said.That evening, Simon started to feel a little bit sick.By his bedtime snack, his throat really hurt. He had hot chocolate to make his throat feel better, but he wasn’t
