11. People should be encouraged to purchase compact cars with low emissions. 我們應(yīng)該鼓勵人們購買小排量的汽車。

　　12. treasure other natural resources v珍惜自然資源

　　13. There is a heated debate as to whether or not personal efforts could effectively address environmental problems. 關(guān)于是否個人努力可以解決環(huán)境污染，人們爭議不斷。

　　點評： address = resolve = tackle v解決……

　　14. My stand is that individual participation in greenism is definitely a worthwhile endeavor helping to protect the natural environment. 我認(rèn)為， 個人在環(huán)保方面的積極參與是保護環(huán)境的一種有價值的努力。(作家立場)

　　點評：in greenism 在環(huán)境保護方面

　　拓展：To contrive and popularize cleaner cars or compact cars is definitely a worthwhile endeavor helping to protect the natural environment. 研發(fā)和普及環(huán)保汽車以及小排量汽車是保護環(huán)境的有效努力。

　　15. It works to encourage people to undertake their journey by taking public transport in terms of protecting our environment 鼓勵公眾乘坐公共交通工具是有效的環(huán)保方式(重點背誦)

　　點評： public transport = public transit = public transportation n公共交通工具

　　16. Meanwhile, every individual should be encouraged to partake of local organizations to oppose environmentally damaging policies or to work as the environmental protection volunteers. 同時，我們應(yīng)該鼓勵個人參加地方環(huán)保組織，反對有害環(huán)境的政策的出臺，或者，鼓勵個人做環(huán)保志愿者。

　　點評：partake of = take part in = participate in v 親自參加……

　　17. It is highly recommended to spend more money on public transport such as buses, trams and subways. 政府應(yīng)該投資公共交通工具，例如，汽車， 有軌電車，地鐵等。

　　點評：環(huán)境保護政府如何作為

　　18. I re-affirm my conviction that the environmental issue is certainly relevant to each individual citizen. 我重申我的立場，環(huán)境問題和每個公民息息相關(guān)。

　　19. Co-operation and participation deriving from individual citizens have indispensable roles to play in safeguarding the natural environment. 每個公民的參與和努力在保護自然環(huán)境方面可以發(fā)揮不可缺少的作用。

　　20. Individual citizens could and should play active roles provided that we really aspire to optimize our living environment. 如果我們真的要改善我們的生存環(huán)境，個人應(yīng)該也能夠發(fā)揮積極的作用

　　點評：optimize our living environment v 改善我們的生存環(huán)境

　　點評：provided that = if 假如