【正文】 at the only choice for human beings is the wise organization of production and care for Mother Nature. My Understanding of Environmental Protection Man and the environment are closely related. Man relies on the environment for water, food and shelter. A harmonious relationship between man and However, man and the environment have never been on such bad terms as they are now. As society develops, man’s transformation of nature has severely polluted his living environment. Deforestation leads to changes in rainfall patterns, causing devastating floods, droughts and sandstorms. The discharge of chemical pollutants endangers our health and the lives of other beings. And mass production has resulted in the shortage of irreplaceable natural resources such as coal and oil. If we take no immediate and effective steps to protect our environment, human beings may be the next species to bee extinct. We should do our best to protect our environment by planting more trees, taking care of wildlife, reducing industrial wastes, using renewable energy, and imposing heavy fines on environmentallyunfriendly activities, so as to preserve the environment for future generations.U21） mass 2）gambled 3）voluntary 4）hunted 5）classified 6）abolished 7）division 8）senseless 9）fashions 10）coordination 11）declarations 12）spanned 13） remended 14）moderately 15）slightest1） stands a chance 2）ruled out 3）worthy of 4）gone through 5）in the strict sense6） At a guess 7）earns a living 8）coincide with 9）gone in for 10）got their teeth into（1） enjoy （2）physical （3）pelled （4）necessity （5）support（6） mental （7）idealize medical + care 。The municipality (municipal government) promised to take effective steps as soon as possible to solve the problems of air pollution.因為腿部受傷，我沒有參加上個月學校舉行的網(wǎng)球錦標賽。The ambassador to the . was invested with full authority to deal with all the foreign affairs concerning his country on behalf of his government .在火車上我一直在想期末考試的結果，知道乘務員提醒我目的地已經(jīng)到了。The old man made a will before his death , giving away all his savings to our school as scholarships , a decision sanctioned by his children .那個醫(yī)生向他的病人保證，只要他連續(xù)服用這種藥三個月，每日三次，他的病就徹底好了。Annie was awarded a scholarship at school . When she told her parents the good news , she could not conceal her eagerness for praise from them though she claimed that it was nothing special at all.營救隊隊長壓低聲音對我說，他對從礦難中救出更多幸存者已經(jīng)不抱太大的希望。The couple are highranking executives of big panies . They eat out at least five days a week due to the lack of time for home cooking .這兩處簽名十分相似，即使是有經(jīng)驗的專家恐怕也難辨別出它們之間的差別。Though he has repeatedly assured me of his ability to promote our pany’s products, I’ll give him another interview before hiring him.公司的投資之所以以失敗而告終是由于總經(jīng)理的決策錯誤，于是董事會（board of directors）覺定把他從公司趕出去。She is very satisfied with her new job as it coincides with her interests.我買了這件襯衣，因為它的價格從300元減到了80元。 1. disaster 2. pelled 3. historical 4. disciplined 5. destruction 6. output 7. retreat 8. abandoned 9. trace 10. eternal 11. investment 12. transfer 13. justify 14. nonetheless 15. contributions 16. accelerate 17. threaten 1. show signs of 2. called upon 3. off limits 4. in fear of 5. slow down 6. cut down 7. from head to foot 8. e by 9. lost out 10. As yet 11. reside in smoke + fog。I bought this shirt because the price was reduced from 300 yuan to 80 yu