Test1
As we all know, over seventy percent of ours planet is covered by sea, where is rich in salt as well as fish. What's more, there is a great deal of oil or gas under the sea. In other words, the sea is a place with such many important things we live in. However, with the population increased rapidly, over fishing has become a serious problem. Every day a lot of rubbishes and waste water are poured into the sea, so the sea is bad polluted. As result, the number of fish has obviously decreased. Besides, some are dying out or have been died out. Therefore, it is time for everybody to protect the sea.
老师讲的太棒了,对我帮助很大!
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为什么老师不写一下
老师,还会继续更新吗
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