University campus should be clean and quiet for students to learn knowledge. Students also need a safe environment. So it is not good to open the university for tourists.
Today, when I walk on the street after school, I find the street is very clean, it is very different from usual days. I am so curious, so I ask the cleaner, she tells me that many students have behave
In China, the problem about immoral behavior in public has been widely reported. Chinese people always said that is because the low population quality with self-mockery.
It is very important to deal with the rubbish in cities.If we don't deal with the rubbish problem, the rubbish in cities will pollute the environment and it is bad for our health.
Saving Our Earth It is very important to deal with the rubbish in cities. For one thing, rubbish may cause a lot of pollution. It may pollute the air, the water and the places we live in. For another,
Burning Rubbish Is Harmful to People A few days ago, I went to the railway station to see my friend off. On the way I saw street leaners burning garbage. I know they were trying to get rid of rubbish
Pollution: a Social Problem When we read newspapers, we often come across the word pollution. This word was not familiar to the people some decades ago. But now, it is a serious threat to us because.i
