Humanity uses a little less than half the water available worldwide. Yet oc

游客2023-12-10  18

问题     Humanity uses a little less than half the water available worldwide.
Yet occurrences of shortages and droughts are causing famine in some
areas, but industrial and agricultural byproducts are polluting water supplies. (1)______
Since the world’s population is expecting to double in the next 50 years, (2)______
many experts think we are on the edge of a widespread water crisis.
    But that doesn’t have to be the outcome. Water shortages do not
have to trouble the world—if we started valuing water more than we (3)______
have in the past Just like we began to appreciate petroleum more after (4)______
the 1970s oil crisis, today we must start looking at water from a fresh
economical perspective. We can no longer afford to consider water a (5)______
virtual free resource of which we can use as much as we like. (6)______
    Instead, for all uses except the domestic demand of the poor,
governments should price water to reflect their actual value. This means (7)______
charging a fee for the water itself as well as for the demand costs. (8)______
    Governments should also protect this resource by providing
water with more economically and environmentally sound ways. (9)______
Often the cheapest way to provide irrigation water in the dry tropics
is through small-scaled projects, such as gathering rainfall in depressions (10)______
and pumping it to nearby cropland. [br] (4)

选项

答案 like一as

解析 词性误用。like是介词,而as可作为连词,并常与just联用,引导比较状语从句。
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