科研之友
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<正>[重点词汇]1.used to do过去常常2.be used to doing...习惯做……3.be used to do被用来做4.pay attention to(doing) sth.注意(做)某事5.instead of (doing)…代替;而不是6.lose interest in对……失去兴趣7.be afraid of doing sth.惧怕做某事8.be afraid that惧怕……9.fall asleep入睡10.with the door open/closed开/关着门11.chat with sb. about sth.和某人聊某事
