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Section B & Self CheckSection B & Self Check123451.practice the guitar (教材P22)练吉他解读 practice的用法。(1)practice作动词,意为“练习;实践”,其后可跟名词、代词或动词-ing形式作宾语。I practice playing the piano every day.我每天练习弹钢琴。(2)practice作名词,意为“练习;实践”,常用作不可数名词。Practice makes perfect.熟能生巧。12345123452.before dinner (教材P22)晚饭前解读 (1)before介词,意为“在以前”,反义词为after,后接名词、代词或动词-ing形式,常作时间状语。I must finish my homework before 9:00.我必须在9点以前写完家庭作业。I like to listen to music before going to bed.我喜欢睡觉前听音乐。(2)作连词,意为“在以前”,引导时间状语从句。It was some time before I realized the truth.过了很长一段时间我才悟出真相。(3)作副词,意为“以前”,常用于现在完成时态中。I have never seen him before.我以前从未见过他。12345123453.Parents and schools are sometimes strict,but remember,they make rules to help us.(教材P23)父母和学校有时是严格的,但是记住,他们制定规则是为了帮助我们。解读 strict 形容词,意为“严格的;严厉的”。Is your English teacher strict?你的英语老师严厉吗?一言辨异严于律“物”与严于待“人”的strictbe strict with对要求严格,后接表示人的名词或代词;表示对某事要求严格,则用be strict in。Mr.Smith is strict with us and he is also strict in his work.史密斯先生对我们很严格,他也对工作要求严格。12345123454. .I have to keep my hair short.(教材P24)我必须留短发。解读 keep为动词,意为“保留;保存;保持”。keep +sth.+adj. “让某物保持某种状态”,属于“keep+宾语+宾语补足语”结构,其中宾语补足语常由形容词、副词或介词短语充当。Please keep the window closed.请让窗户关着。12345拓展keep的常见用法:(1)“keep +形容词”,表示“保持某种状态”。You need to take more exercise to keep healthy.你需要多锻炼来保持健康。(2)keep sb.doing sth.让某人一直做某事Dont keep him standing.别让他一直站着。(3)keep on doing sth.坚持做某事If you keep on working hard,your dream can come true one day.如果你坚持努力工作,你的梦想总有一天会实现的。12345123455.I never have fun.(教材P24)我从未开心过。解读 fun “愉快;开心,乐趣”,是不可数名词。have fun 意思为“玩得开心”,相当于have a good time和enjoy oneself。Swimming is great fun.游泳很有乐趣。拓展延伸(1)have fun(in) doing sth.做某事很开心We have fun learning English.我们学英语很开心。(2)fun 形容词,意思为“有趣的;令人愉快的”。I like English because its fun.我喜欢英语因为它有趣。12345Section B1ah c e b g d f1b参考下一题答案1ca.go outcanton school nightsh.see friendscanton school daysc.do his homeworkhave to/mustafter classe.practice the guitarhave to/mustbefore dinnerb.do the disheshave to/mustafter dinnerg.watch TVcantin the eveningd.help his mom make breakfasthave to/mustevery morningf.clean his roomhave to/mustevery Saturday2bUnderlined:Get up now and make your bed;Dont leave the dirty dishes in the kitchen;cant be late;dont be noisy;dont eat in class;cant play basketball after school;must do my homework;I can play only on weekends;read a book before I can watch TV;have to go to bed before 10:002c1.cant;can2.has to/must3.has to/must;can4.cant5.have to/must3aCan,have to/must,have to/must,have to/must,cant,have to/must,cant,have to/must,canSelf Check1arrive late,be noisy,listen to,is strict,follow the rules22.Listen to the teacher./We must/have to listen to the teacher.3.We must not be noisy in the library./We cant be noisy in the library./Dont be noisy in the library.4.We must/have to speak English in English class.5.Eat in the dining hall.We must/have to eat in the dining hall.
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