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This year the world’s population ticked over to 7 billion.【R1】______They forecast dramatic changes unless significant steps are
This year the world’s population ticked over to 7 billion.【R1】______They forecast dramatic changes unless significant steps are
admin
2016-03-01
84
问题
This year the world’s population ticked over to 7 billion.【R1】______They forecast dramatic changes unless significant steps are taken to control population growth. Here are some challenges a population of 7 billion must confront.
Water is probably going to be the first real threat that we bump into. Access to fresh water becomes incredibly difficult. We’re seeing the impacts of overuse of water resources and that sort of pressure mounts as the world population increases.) 【R2】______ What we’re putting into the atmosphere is going to lead to changes that haven’t been seen in millions of years. As the whole world warms up, a lot of places become very unpleasant to live in.【R3】______We have to find less polluting sources of energy and be much more careful in the way that we make use of the remaining non-renewable fuels we’ve got. If we continue to tap the resources to meet the immediate economic demands, the supplies will run out in time. We still can’t imagine that one day we have to run the world from renewable energy resources.
【R4】______We’ve got some major health problems with the medical services to actually attack the diseases of old age. But the real problem is that the world population is growing fastest in the developing countries. How can we cope with a double of the population when they’re already dirt poor and only just getting enough to live on?【R5】______Is it all doom and gloom(前景暗淡)as the experts suggest, or do we have a brighter future?
A. Challenges range from water shortages to rising sea levels.
B. Experts have painted a depressing future for life on Earth.
C. All countries in the world will face the challenge of population aging.
D. Agriculture, a main consumer of water, may have to change its whole structure.
E. If we hang on to them for a little bit, they’ ll get more and more valuable in the future.
F. The challenge of meeting the food needs of its ever-growing population is enormous.
G. There will be much hotter temperatures, summer-time heat stress and rising sea levels.
【R1】
选项
答案
B
解析
根据后一句的主谓“They forecast(他们预测)…”可知,空格处所选句子应包含一个可以用they来指代的词语,且必须是人而且很容易发现备选的句子中只有B选项中“Experts”一词同时符合上述两个条件,因此B为正确答案。另外请各位考生注意,空格处的前后句含代词的,往往和此空格处待选的句子有信息相关联,请特别留意,这也往往是个突破口。
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本试题收录于:
英语题库普高专升本分类
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英语
普高专升本
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