1、Grammar O Unit 5Do you remember the sentence about Tan Dun?Tan Dun loves the sounds of the rushing water and the blowing wind _ to him,the best music comes from nature.becauseHow much do you know about Tan Dun?Do you like him?Why or why not?Which of his works do you like best?Why?I like him because
2、his music makes me feel relaxed.I like Tan Duns music because he uses the sounds of nature a lot.I like Water best because it is very special.We often use because to answer why questions.We use because to introduce clauses of reason.Look and answer:A:Why are you wearing a raincoat?B:Because its goin
3、g to rain.A:Why do they turn on the fan?B:Because it is too hot.We use why to ask for reasons.We use because to give reasons.The reasonthe resultWe use because to give direct reasons.Its tone is strong.causes Working out the rules_ her daughter hadnt come back,_ she looked worried.A.Because;/B.Becau
4、se;soC.Though;but D.Thought;/We never use the conjunction so in sentences with because.You are a reporter and you are interviewing Tan Dun now.Work in pairs and act it out.(use the questions on page 70)1.Why was Tan Dun chosen to write music for the Beijing Olympics?_2.Why does Tan like the sounds o
5、f nature?_ _Because he is a world-famous composer.Because he thinks the best music comes from nature.3.Why is Tan able to build a bridge between the East and the West?_ _4.Why do people think highly of Tans music?_ _Because he has successfully brought Chinese and Western music together.Because he ha
6、s created a new type of musicmusic without boundaries.Exercise 课课练p50用because合并句子Read the following dialogue and choose the best answer.A:What are you going to do for the art festival,Kitty.B:I have no idea.A:What art form do you like?B:Dance.I can dance well.A:_ you can dance well,what about dancin
7、g for the show?(A.because B.since/asB_ he had no musical instruments then,he made music with common objects like stones and paper._ he likes the sounds of nature,Tan uses them a lot in his music.Since As Since and as are also used to give reasons for something.Usually the reasons are already known.T
8、heir tone is weaker than because.Since and as are used in the same way and have no difference in meaning.Working out the rulesAn art festival Daniel decided to play the violin at the art festival since/as he is good at it.1.Daniel decided to play the violin at the art festival.He is good at it._ _2.
9、Kitty will dance at the song and dance show.She has to practise hard these days._ _3.Sandy will design the posters for the art festival.She can draw very well._ _ Since/As Kitty will dance at the song and dance show,she has to practise hard these days.Sandy will design the posters for the art festiv
10、al since/as she can draw very well.Since/As some students love painting and taking photos,there will be a students art show.Since/As the art festival is open to all students and parents,everybody is welcome.Exercise 课课练p50用since或as合并句子Help Sandy complete her diary entry with because or since/as.beca
11、useSince/AsSince/Assince/asbecausebecauseSince/AsTry to draw a conclusion 1.We often use“because”to answer _ questions.2.We use“because”to introduce clauses of reason which has _ tone.3.We _ use“so”in sentences with because.whystrongneverTry to draw a conclusion 1.We use since/as to give reasons which are already_.Their tones is _ than because 2.In most cases,_ are interchangeable(可互换的可互换的),and we use them in the same way.knownweakersince as1.Practise giving reasons with because.2.Finish the relevant exercises.