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When permits for the discharge of chemicals into a waterway are issued, they are issued in

A. relatively harmless chemicals do not interact with each other in the water to form. harmful compounds.
B. there is a swift flow of water in the waterway that ensures rapid dispersion of chemicals discharged.
C. there are no chemicals for which discharge into waterways is entirely prohibited.
D. those who receive the permits do not always discharge the entire quantity of chemicals that the permits allow.
E. the danger of chemical pollution of waterways is to be e-valuated in terms of human health only and not in terms of the health of both human beings and wildlife.

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Armtech, a temporary-employment agency, previously gave its employees 5 paid vacation days

A. Most current Armlech employees approve of the company"s new vacation policy.
B. A few Armtech employees leave the company before having worked 700 hours.
C. Most Armlech employees were not aware that the company planned to change its vacation policy until after it had already done so.
D. A significant portion of Armlech employees stay with the company long enough to work for 1 ,200 hours.
E. Armtech"s new vacation policy closely matches the vacation policies of competing temporary employment agencies.

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受电弓三态。

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There was, last week, a glimmer of hope in the world food crisis. Expecting a bumper harvest, Ukraine relaxed restrictions on exports. Overnight, global wheat prices fell by 10 percent.
By contrast, traders in Bangkok quote rice prices around $1,000 a ton, up from $460 two months ago.
Such is the volatility of today’s markets. We do not know how high food prices might go, nor how far they could fall. But one thing is certain: We have gone from an era of plenty to one of scarcity. Experts agree that food prices are not likely to return to the levels the world had grown accustomed to any time soon.
Imagine the situation of those living on less than $1 a day - the “bottom billion,” the poorest of the world’s poor. Most live in Africa, and many might typically spend two-thirds of their income on food.
In Liberia last week, I heard how people have stopped purchasing imported rice by the bag. Instead, they increasingly buy it by the cup, because that’s all they can afford.
Traveling though West Africa, I found good reason for optimism. In Burkina Faso, I saw a government working to import drought resistant seeds and better manage scarce water supplies, helped by nations like Brazil. In Ivory Coast, we saw a women’s cooperative running a chicken farm set up with UN funds. The project generated income - and food - for villagers in ways that can easily be replicated.
Elsewhere, I saw yet another women’s group slowly expanding their local agricultural production, with UN help. Soon they will replace World Food Program rice with their own home-grown produce, sufficient to cover the needs of their school feeding program.
These are home-grown, grass-roots solutions for grass-roots problems - precisely the kind of solutions that Africa needs.

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某县人民政府为加快政府职能转变，促进地方经济发展，进行了一系列重大改革：①经县人民代表大会批准，对县人民政府工作部门进行调整，合并了三个部门，增设了两个部门；②在全县公开竞聘县人民政府工作部门中的四个局的局长，并由县长任命；③报省人民政府批准，撤销某乡，改设为镇；④在某乡实行直接选举，由该乡选民直接选举产生乡长。请结合上述材料，分析该县人民政府的改革措施是否符合宪法和法律的相关规定，并说明理由。

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