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主題句擴(kuò)展句和結(jié)尾句 四六級作文好點(diǎn)子
同學(xué)們好!你們現(xiàn)在一定都在忙于的四,六級考試,根據(jù)平時作文批改及同學(xué)們的反饋,作文一直是同學(xué)們的弱項(xiàng),這里給同學(xué)們談?wù)勛魑亩温涞幕緦懽鞣椒?希望能給同學(xué)們一點(diǎn)啟發(fā)和幫助.
通常段落由二至三部分組成,即主題句，擴(kuò)展句 和結(jié)尾句組成。主題句是段落的核心，它表明作者的觀點(diǎn)和態(tài)度，同時反映段落的中心思想。主題句的特點(diǎn)是：一是具有明確的觀點(diǎn)；二是具有一定的概括性。記住段落的中心思想應(yīng)該是一個，要清楚地把它表達(dá)出來，盡量不要出現(xiàn)語言錯誤。
如： Advertisement is an important link between producers and consumers today./The library supplies people with knowledge of all kinds./Nowadays ,the computer has found wide applications in many fields.
以上句子都具備了主題句的特點(diǎn)，因?yàn)樗羞@些句子都可以用其它句子來解釋，描述，分析等即擴(kuò)展句———主要圍繞主題句進(jìn)行敘述。說明或論述，它是主題句發(fā)展成短落的主要組成部分。請看下面的段落：
Nowadays ,the computer has found wide applications in many areas .It is used not only in caculations,but also in an engineering project,designing ,language learning,etc.In today's society ,computers can be seen working for us almost everywhere ,in shops ,banks ,post offices ,schools ,hospitals ,and so on .Computers have even entered most families .Children can learn various subjects on computers ,and parents can enjoy some entertainment from the computer,too.
同學(xué)們可以看出本段的擴(kuò)展句是：It is used not only ----后的四個句子 ，這些句子都緊緊圍繞主題句展開，敘述計(jì)算機(jī)在各個領(lǐng)域的應(yīng)用，同時它們在語法和語義上是完整和連貫的，扣住了主題句的中心思想。結(jié)尾句是指用一句話將某段落的內(nèi)容進(jìn)行歸納總結(jié)，引發(fā)讀者對段落的進(jìn)一步認(rèn)識，請看下面段落：
There are many problems with advertisements .Sometimes ,people consider them as a bad thing because many of the goods sound .Some advertisements are rather confusing ,and often deceive consumers into buying goods of poor quaity.The solutions to these problems is that a necessary law should be worked out .Otherwise some advertisements will be harmful to the society. 該段的結(jié)尾句是：The solution ----harmful to the society.
最后一句說出了解決的方式及不加以解決會產(chǎn)生的不良后果。但要注意的是段落結(jié)尾句需要簡明扼要，并符合主題句的主旨，不過不能簡單的重復(fù)。以上是段落的基本寫作套路和方法，請同學(xué)們根據(jù)上述方法將下列主題句擴(kuò)寫成60字左右的段落：
1.Almost every big city in China has a serious traffic problem.
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