背話題佳句：

1.It is high time for us to take measures to protect the environment.到了我們應該采取措施來保護環境的時候了。

2.In today’s world, many species become extinct or are threatened with extinction because of humans.

在當今世界中，許多物種滅絕了或者因為人類而面臨滅絕的危險。

3.It takes many years to grow a tree but a day to cut it down.砍樹容易種樹難。

4.Better living conditions can really be reached on condition that the environment is well protected.

只有保護好環境，才能真正擁有更好的生活條件。

5.The terrible pollution has done great harm to us as well as to the surroundings.

可怕的污染已經給我們自己還有我們的環境帶來了很大的危害。

6.Globalization makes the world smaller like a village where villagers have more opportunities to admire the beauty of other cultures.

全球化促成了地球村，讓人們有更多的機會欣賞不同的文化之美。

背話題詞：

1.develop renewable resources發展可再生資源

2.deal with rubbish properly 正確處理垃圾

3.improve one’s living conditions 改善居住條件

4.in the long term 從長遠來看

5.start out small 從小事做起

6.have a considerable effect on 對……有極大的影響

7.expand abroad 對外擴張

8.achieve the highest growth 實現最大化發展

9.intercultural communication 跨文化交流

10.rich cultural blend 豐富多彩的文化交融