[短 语 点 拨] 1.go off (铃、爆竹等)响；爆炸；离开；(食物等)变质；变差；不再喜欢

　　[教材原句]I normally wake up about five minutes before my alarm clock goes off.

　　我一般在闹钟响前大约5分钟醒来。 写出下列句中go off的含义 ①The car alarm went off as a thief was trying to steal the car. ____________ ②We haven't a fridge and the milk goes off within a day in hot weather.

　　____________ ③The children seem to have gone off milk for breakfast. ____________ ④Don't go off without saying goodbye.

　　____________ 【巧学助记】 ⑤Go ________ your homework carefully before you hand it in. 把你的作业仔细检查后再上交。 答案　①响起　②变质　③不再喜欢　④离开

　　⑤over 2.take up拿起；接受；开始从事；继续；占用(时间)；占据(空间)

　　[教材原句]Meetings and phone calls take up a large part of the day.

　　会议、电话不断，占据了白天的大部分时间。 写出下列句中take up的含义 ①Obama said he plans to be at the debate on Friday，declining to take up the challenge.

　　____________ ②Important people don't often have much free time as their work takes up all their time.

　　____________ ③After he retired from office，my father took up painting for a while，but soon lost interest.

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