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1、人教版九年级下英语练习册综合训练部分作文范文综合训练(一) Dear Sir, I know that the World Championships in Athletics will be held in Beijing during August. I would like to be a volunteer very much. I am polite and helpful. I am friendly to people. I am warmhearted and ready to help others. I am hardworking. At home, I often do
2、 housework. I love sports a lot. I like running, playing basketball and table tennis. I am the top table tennis player of our school team. I am good at English. I know the city of Beijing very well. And the most importantly, I have plenty of free time during the summer vacation. If I am chosen, I wi
3、ll try to make the city of Beijing more famous in the world. I am looking forward to hearing from you. Yours sincerely, Zhang Nan 综合训练(二) I am not a child any more I am not a child any more, I have changed a lot during the past three years. I used to be weak and short. But now, I am strong and as ta
4、ll as my father. The most important thing is that I have learned to care about others. It was a Wednesday evening. When I went back home, no one was in. So I cooked the meal. I didnt know my mother was ill until my parents came back from the hospital. They both said the meal was very delicious, alth
5、ough it tasted salty. At bedtime, I fetched hot water for my mother to wash feet. My mother said, “Dear, you have really grown up.” It was the first time that I had realized I was not a child any more. 综合训练(三) Dear Jack, I am very happy to tell you something about Spring Festival. Spring Festival is
6、 a traditional festival in China. It comes in winter. Its time to get new. We usually clean and decorate our house carefully before it comes. I always help my mother clean the windows and wash the clothes. We put on chunlian on the doors and chuanghua on the windows. Its time to get together. Everyo
7、ne go home to get together with their families, though someone is far away from home. They must have dinner together on that day. They must visit their relatives and say “Happy New Year” to them. When the kids greet their grandparents, they can get pocket money. Yours, Wang Hai 综合训练(四) Dear John, I
8、am very glad to get your letter. I had a good time the day before yesterday. It was the Spring Festival. In the morning I went shopping in the supermarket with my sister. We did some cleaning in the afternoon and made our house more beautiful. We made dumplings together and had a big dinner in the e
9、vening. We stayed up until midnight to welcome the Spring Festival. We had a nice time. Best wishes to you! Yours, Gao Long 综合训练(五) Dear Tom, 抛物线的顶点在(0，0)，对称轴是y轴(或称直线x0)。Thanks for the tickets for todays pop concert. This is 84.164.22有趣的图形1 整理复习2the best birthday gift I have ever received. I went th
10、ere with my mother. Do you know who we have seen? Weve seen David Tao 104.305.6加与减（二）2 P57-60and Jay Chow! How happy I was! You know they are my favorite 点在圆内 dr;singers. They sang many beautiful songs tonight. I was so excited and sometimes I sang along with them. I had a great time this evening. Y
11、ours, Li Lei 综合训练(六) 7.同角的三角函数间的关系：My spare time 等弧：在同圆或等圆中，能够互相重合的弧叫做等弧。Now I am middle school student. Though I am busy with my lessons, my spare time is still colorful. My first choice is reading. Books are my best friends. When I have books in my hand, I will forget all my worries. Secondly, I l
12、ike watching TV and playing computer games. They can make me know more about the world today and bring me a lot of happy time. Every time I am tired of studying, I will do some chores. On the one hand, it can make me relaxed. On the other hand, I can save some time for my parents to do what they lik
13、e. Of course, playing sports is also a very good choice for me. I can keep healthy while enjoying myself. The colorful activities not only open my eyes but also improve the efficiency of my studying. 2. 图像性质：综合训练(七) 推论2 经过切点且垂直于切线的直线必经过圆心.Now our environment is becoming worse and worse. How to prote
14、ct the environment has become one of the biggest problems in the world. Rubbish not only pollutes our environment but also harms peoples health. More and more cars bring more air pollution. Waste water can pollute plants. Sometimes it can kill lots of fish. Something must be done to solve these prob
15、lems. We should not throw away rubbish carelessly. We should take buses instead of driving cars. We also should prevent waste water killing lots of fish. 综合训练(八) （2）抛物线的描述：开口方向、对称性、y随x的变化情况、抛物线的最高（或最低）点、抛物线与x轴的交点。Dear Mr. Wei, I am writing to recommend Tom as our monitor. Tom is excellent. He has ma
16、ny good personal qualities. Tom is hard-working. He has been in the Music Club for over 2years. He practices singing for 2hours every day. Hes very （1）二次函数的图象(抛物线)与x轴的两个交点的横坐标x1，x2是对应一kind and friendly. He likes working with his classmates and never minds doing extra work for the school. Tom is generous, too. Every year he donates his pocket money to the charities. Hes also helpful. One helped the child find his parents. Because of it, he missed his favorite film. I think Tom has all the qualities to be a good monitor. I hope you can agree with me. Yours sincerely, Tony