一般来说，每个自然段除了主题句与结尾句之外，还包含了3——6个扩展句。所以可以说，写好扩展句便基本上完成一个自然段落。
中考英语经典作文范文一：
写email网上租房
假如你叫李华，今年暑假你的一位美国朋友 Mr. Robert 打算携全家到北戴河度假一个月。他打算租一套合适的住房，想请你帮忙。你碰巧在因特网上发现了几则租房广告，并认为其中的一个较为合适。于是你将广告中的相关信息以书信的形式通过 e-mail 发送给 Mr. Robert ，供他参考，具体内容如下：
1. 房子位于市区，距机场高速公路仅 1 公里，房子宽敞且设计新颖、美观;
2. 备有安全系统较高的停车场，附近有医院、餐馆和各种现代化购物中心;
3. 厨卫设备完善，水电供应系统良好;
4. 如果想了解更详细的情况，请查阅他们的网址 https:// www. engessay.com 。
注意：要求要点齐全，但不能逐字逐句翻译，词数 120 左右。
June 6th， 20XX
Dear Robert，
I'm very glad to hear that you are coming to Beidaihe to spend your summer vacation with your family. I've just read several ads for house rent from Internet， which might interest you， I think.
One of the flats lying in the city seems to be suitable. On the one hand， it is only one kilometer from the flat to the freeway to the airport， and meanwhile， there is a safely-guarded large parking area. And there is a hospital and a modern shopping center as well nearby. On the other hand， well designed， the flat looks fine and there is enough room for you five. Besides， the kitchen and the bathroom are well furnished. Water and electricity are provided for 24 hours. If you need further information， you may look up the https://www. bdhfz. com. cn 。
Best wishes!
Yours，
Lihua
中考英语经典作文范文二：
减肥之法
The Way of Losing Weight
henry is a little fatter than he wants to be. he is a bit worried. he decides to lose weight. he eats only a little food for breakfast and supper, and has some fruit. he doesn't eat much sugar because he thinks it makes him fatter.
besides having only a little food, he keeps doing exercises every day. he swims very often and runs every day. some time later, he becomes stronger.
henry thinks he is a little fatter. he wants tolose weight. he eats only a little food and has some fruit every day. he eats little sugar, because he thinks it makes him fatter.
besides having only a little food, he takes exercises every day. he keeps swimming and running every day. he runs about two kilometres a day. now he is stronger than before.
中考英语经典作文范文三：
我的父亲很温柔
My father is a gentle man
my father has small eyes,wear a pair of glasses,looking more gently,the daddy's hair are not many, he said the intelligent head does not grow hair ，daddy does the management, but daddy usually ever not talk bureaucratically to others, therefore his personal connection is specially good,is the same as me.daddy speaks always extremely temperately,never say hit the person,curse at people are also few,calculated scolded people not to be big, although sometimes also can be angry for a longtime,but just only about one day,could no surpass in one day-long.
he usually educate me that the person must to be honestly,friendly to other,and working diligently.this is my father, i love him forever.