In 1990 a report was published about what the earth might be like 20 years from then on. The report was a result of a three-year ___36___. according to the report, the picture of the earth in the year 2010 is not a ___37___ one. The world will be more __38___ because the population will continue to grow. The population could be ___39__ 6 300 million, almost 2 150 million more than in 1985. More people would move into cities, especially cities in ___40___ countries. Cities like Cairo and Jakarta probably would ___41___ have 15 million by then. Food production will ___42___, but not enough to feed all the people. Farmers will grow 90% more food than they did in 1985, __43___ most of the increase would be in countries that ___44___ produce enough food for their people. Little increase is ___45___ in South Asia, Africa and the Middle East. Poor farming ways are ___46___ large areas of crop land, changing farms into deserts. More farmland is ___47___ as cities become larger and more houses are built. ___48___ will get worse as industrial countries burn more coal and oil. Many of the world’s ___49___ could disappear as more and more trees are cut down. Energy will continue to be a serious problem. The experts say their picture of the earth for the year 2010 ___50___. They only carried out the situation that ___51___ today. By changing the situation, by ___52___ the problems, the picture can be changed. There is ___53___ time for the nations of the world to work ___54___ a plan of action. But they warned that ___55___ too long to make decisions would greatly reduce the chances of success.
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小题1:D
小题2:B
小题3:C
小题4:D
小题5:A
小题6:B
小题7:C
小题8:B
小题9:A
小题10:D
小题11:A
小题12:B
小题13:A
小题14:C
小题15:D
小题16:C
小题17:A
小题18:B
小题19:C
小题20:D
文章讲述的是人口迅速增长带来的一系列问题，号召我们一定要尽快采取行动。
小题1:study 意为“研究”，根据下文，这是指对未来20年地球上的情况变化所作的研究。
小题2:与后面的人口增长，环境污染等联系起来看，在2010年地球上的状况(picture)将会令人不愉快(unpleasant)。
小题3:因为人口继续增长，所以世界会越来越拥挤(crowded)。
小题4:指人口数目的多用large，不用small。指人口达到某一数目用“as large as + 数词”。
小题5:从现状来看，人口增长快的国家多为发展但不发达的国家；而城市人口急剧增长的则是一些发展中的国家(developing countries)。
小题6:前面提到了两个城市，故此空只能填each。neither具有否定意义，不合句意，不能插入谓语之中。
小题7:相临几句是讲粮食增长问题，故选increase“增长”。
小题8:前后两句具有转折意义：农民所生产的粮食将比1985多90%，但多数增产粮食的国家是已经有足够粮食供人们生活的国家。
小题9:already 意为“已经”，由下句可知：是指已经有足够粮食供人们生活的国家。
小题10:expect意为“预计”，句意为：在亚洲南部的国家预计增产幅度不大。
小题11:由changing farms into deserts可知：不当农业生产方式毁坏(destroy)了大片生产粮食的土地。
小题12:由于扩建城市，修建房屋，必然侵占大量农田，故选lost(失去)。
小题13:由burn coal and oil必然排放大量烟雾，可推知：此处指空气污染(air pollution)
小题14:由more and more trees are cut down可推知：此处指森林(forests)可能消失。
小题15:此句意为：专家说地球到2010年的状况可能会不好。
小题16:exist 意为“存在”。由上下文可知：环境正遭受污染和破坏，专家们只是想保存今天的状况。
小题17:settle the problems 意为“解决问题”。
小题18:still 意为“还有”，加强语气。句意为：现在还有时间给世界各国制定行动计划。
小题19:work out a plan 意为“制定计划”。
小题20:句意为：专家们警告说等待太长的时间作出决定将会极大地减少成功的机会来源：