【正文】 m afraid, however fascinating it may be, offers few career prospects.Of course, you don39。s living standards in Xi39。anYearItem 1995 1996 1997 1998 1999Food 66% 61% 48% 41% 36%Clothing 9% 10% 12% 15% 18%Recreation 4% 5% 8% 9% 11% []What is shown in the table above indicates that dramatic changes have taken place in the daily expenses in Xi39。 nevertheless , automobiles cause the serious problem of air pollution. Scientists have warned that unless effective measures are taken, the problem of pollution will eventually get out of hand. Actually, people are showing a real concern over the problem. For example, there is an increasingly loud voice from the public for firm action against pollution from automobiles. [10建議措施段]Indeed, the earth is our home and we have the duty to take care of it for ourselves and for our descendants. In my opinion, we should work out concrete solutions to the problem of pollution from poisonous gas given off by automobiles. For example, the automobiles should be equipped with a device which can dispose of waste gas so as to prevent it from polluting air. Only in this way can we really solve the problem of air pollution caused by automobiles.3. 沙漠化 []As is shown in the picture, we can see clearly the relation ship between people and desert. In the left hand picture, people are fleeing from greedy sand hills because they cut down all the trees. The caption reads, ”As the sand advances, we retreat.” In the right hand picture, the people have returned carrying tools, water, and young trees to plant the land again. The caption reads: “As we advance, the sand retreats. ” []It seems to me that the cartoonist is sending a message about the importance of trees in water and soil conservation and the need for everyone to fight against the danger of the desertification. In fact, what he is saying is that the sand hills will drive away from the land if we do fight against the sand. If we let this situation continue as it is , our environment will suffer a great destruction. []The best way to fight back against the greedy desert in made clear in the second picture. There the local people are actively setting about the task of planting trees to reclaim the land and make it fertile. The fact that there are three people in the picture, each with a different job suggests that working together is the key to success in the battle against soil erosion.4. 商業(yè)捕魚（00年真題）A Brief History of World Commercial Fishing [] As is shown in the pictures ,with the increase of mercial fishing ,the number of fishes dramatically(sharply) decreased .In one pictures ,there were various kinds of fish and only one fishingboat in 1900 .On the contrary ,in1995 there was only one fish ,with many fishingboats.[] The purpose of this picture is to show us that due (great enough) attention has to be paid to the decrease (decline) of ocean resources .Owing to overfishing the number of fishes has obviously dropped .If we let this situation go (continue) as it is ,we do not know where fish will be in the future .By that time ,our environment will suffer a great destruction .[] Therefore ,it is imperative for us to take drastic (effective) measures .For one thing ,we should appeal to our authorities to make strict laws to control mercial fishing .For another ,we should enhance(imperative arouse) the awareness of people that the ocean resources are very vital to us .Only in this way can we protect our ocean resources .Also I believe that we humans can overe this difficulty ,and we will have a brighter future .第二部分 圖表作文（三篇）5. 人口增長(zhǎng)對(duì)野生動(dòng)物的影響（99年真題）[] From these graphs, we can draw a conclusion that, with the growth of human population, the number of species has decreased rapidly in America, and some species have even vanished from our planet.[]Why does this phenomenon appear? There are several possible reasons for this. Above all, as the human population grows rapidly, a growing number of people came to live where some wild species have been living. Then these species have to move to other places. Some of them probably can not adapt to the new environment and die. In addition, although many people look on the wildlife as their friends, some people may not think so. They catch a lot of wild animals and sell th