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【正文】 nsider it one of the greatest inventions last century. 2． It has changed our way of life and speed the pace of our work. 3． It makes it possible for us to talk to anyone from anywhere no matter where we are and what we are doing. 4． The cell phone is a way to have fun and be cool. 5． Modern cell phones are more than just phones—they are being used as cameras and radios， and to send or surf the Inter. 6． It39。s life. 【 參考范文 】 This is GZTV， Science and Technology are now on the air with a 45minute regular program to bring you a big invention—cell phones. Nowadays you can find a cell phone used here and people consider it one of the greatest inventions last ? Several reasons for of all， it has changed our way of life and speed the pace of our a useful machine， it makes it possible for us to talk to anyone from anywhere no matter where we are and what we are ， the cell phone is a way to have fun and be cool. Modern cell phones are more than just phones—they are being used as cameras and radios， and to send or surf the functions are being added to the latest cell phones have features such as games， music and an electric calendar that will remind you of appointments and important dates. It39。s will be much more smarter， and prices will be more cell phones will be built into our body and phone calls could be made simply by speaking. 【 亮點(diǎn)展示 】 1．本文首先說(shuō)明了手機(jī)在人們的日常生活中起著重要的作用，然后介紹了手機(jī)的一些特有的重要功能，最后對(duì)手機(jī)的未來(lái)發(fā)展進(jìn)行了概括和預(yù)測(cè)。 2．文章根據(jù)說(shuō)明文的特點(diǎn)，合理運(yùn)用了現(xiàn)在時(shí)態(tài)和部分被動(dòng)語(yǔ)態(tài)，且運(yùn)用了較為復(fù)雜但常用的句式結(jié)構(gòu)，如consider接符合賓語(yǔ)、 make后接 it作形式賓語(yǔ)代替不定式復(fù)合結(jié)構(gòu)、現(xiàn)在進(jìn)行時(shí)的被動(dòng)語(yǔ)態(tài)等，提升了文章的檔次。 【 寫(xiě)作模板 】 1．說(shuō)明文寫(xiě)作常用的文章層次結(jié)構(gòu)： _______is a most effective_______to________(點(diǎn)明要說(shuō)明事物的必要性 )． For most people， it is almost impossible to_______(介紹某事物對(duì)多數(shù)人的重要意義 )． _______is really_______(該事物的優(yōu)勢(shì)或顯著特點(diǎn) )． With the functions of_______， it enables us to______(該事物的作用 )． It can even________(進(jìn)一步說(shuō)明該事物的作用 )． Just imagine， all this can be done with________(說(shuō)明事物的重要性 )． A convenient tool can certainly________， but it does not always help_______(承上啟下，介紹事物的另一方面 )． Too much________(該事物的負(fù)面影響一 )． Too many________ (該事物的負(fù)面影響二 )． Relying too much on______mak
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