根据短文内容选择最佳答案。

　　Waste can be seen everywhere in the school．Some students ask for more food than they can eat and others often forget to turn off the lights when they leave the classroom．they say they can afford these things．But I don't agree with them．

　　Waste can bring a lot of problems．Although China is rich in some resources(资源), we are short of(缺乏)others, for example, fresh water(淡水)．It is reported that we will have no coal(煤)or oil to use in 100 years．So if we go on wasting our resources, what can we use in the future and where can we move?Think about it．I think we should say no to the students who waste things every day．Everybody should stop wasting as soon as possible．

　　In our everyday life, we can do many things to prevent waste from happening, for example, turn off the water taps(水龙头)when we finish washing, turn off the lights when we leave the classroom, try not to order more food than we need, and so on．Little by little, everything will be changed．Waste can be stopped one day, if we do our best．

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仔细阅读下列短文, 根据题目, 选出最佳选项. What do you want to be when you are older Students have different views(观点) on what their dream job could be. But whatever they want to be when they are older, students at Nanjing No. 4 Middle School have to be ladies and gentlemen now. This month, the school started a programme to turn girls into ladies and boys into gentlemen. The words "ladies" and "gentlemen" mean men and women who are polite to other people. In the past, it also meant a person who came from a good family. So, can a school turn 3,000 boys and girls into ladies and gentlemen Mr. Wang, a teacher at the school, wants his students to learn how to behave(表现) well. "We want our students to be kind, polite and graceful(优雅的)," he said. One important part of the school's programmes is polite language. "Language is the first step to be a polite person. Ladies and gentlemen never say dirty words, " said Wang. A study of 100 students at the school found that half of them sometimes used dirty words. Also, all students must wear uniforms. The school chooses two well-behaved students in each class to set a good example. "We also plan to have lessons in manners(礼仪) next term," said Wang. Most students say they want to be ladies and gentlemen. "A gentleman should be kind and polite," said a Junior 2 student at the school. Another Junior 2 student thinks she is just like a lady. "It's important for a girl to smile at people and say 'Thank you' with all her heart," she said.

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