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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
79
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.
【R3】
选项
答案
G
解析
前一句说到随着全球气候变暖,很多地方已经变得不适合居住。本空格所选的信息应跟全球气候变暖现象直接相关,因此正确答案是G。hotter temperature(气温升高),summer—time heat stress(夏日酷热带来的压力)以及rising sea level(上升的海平面)都是与全球变暖密切相关的。
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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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