She told BuzzFeed News that her freshman chemistry class required her to use Connect, a system provided by McGraw Hill where students can submit homework, take exams and track their grades.

她告诉 BuzzFeed 新闻，她的大一化学课要求她使用麦格劳·希尔公司提供的 Connect 系统，学生可以在该系统中提交作业、参加考试并跟踪他们的成绩。

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—Michael was late for Mr. Smith's chemistry class this morning. —How come? As far as I know, he never came late to class.

——今天上午迈克尔在史密斯老师的化学课上迟到了。 ——怎么会呢？据我所知，他上课从不迟到。

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When twelve-year-old John Wilson walked into his chemistry class on a rainy day in 1931, he had no way of knowing that his life was to change completely.

1931年的一个雨天，12岁的约翰·威尔逊走进他的化学教室，那会儿他完全不知道自己的生活将彻底改变。

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People who remember the periodic table of the elements from chemistry class might recognize them.

VOA: special.2010.10.08

some chemistry class will show up in here, and someone will wonder what that is, and Barth will have done his work, or we will have done Barth's work for him. Now, let me ask you another question. Who is the narrator of "Night-Sea Journey"?

这里将会上化学课，有人会想,这到底是什么，巴斯将完成他的工作，或是我们将为他完成工作，现在，我来问你们第二个问题，《夜航》的叙述者是谁？

耶鲁公开课 - 1945年后的美国小说课程节选

It depends on the class, like, organic chemistry, for instance, is always open book, open notes.

这要看是什么科目，例如说有机化学总是开卷考试，可以看笔记。

考试应该这么准备 - SpeakingMax英语口语达人

Kyle Daniels, a freshman from suburban Denver, was surprised to see 500 students in his introductory chemistry class.

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Vinton said she had just left her chemistry class when she saw the attacker stabbing people, aiming at their necks and faces.

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Of course I was excited to participate, but then I thought about it: the last time I had done anything with chemistry was in class nearly 10 years ago.

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