He was told that the stranger (wait) __ for him for 2 hours.

__ can reduce the pollution problem and increase the fuel efficiency of engines.

In comparison with those rich countries, __ will continue to predominate in most developing countries.

If you had to sum up the problems of American health car in

two words, they would be "cost" and "coverage". The country spends

16% of its GDP on health. Yet a six of the population lacks medical 【S1】______.

coverage. Most Americans receive health insurance through their

employer. The government picks up the hill for the elder and the poor. 【S2】______.

But an estimating 47 million people fall through crack--a number 【S3】______.

that is rising as premiums (保险金) soar.

Because so many people should be without medical coverage in 【S4】______.

the world's richest country is a disgrace. It spoils the lives of the

uninsured, who are unable to get access with affordable treatment at

an early age. And it casts a shadow of fear well beyond, to America's

middle classes who worry about not their jobs but their healthcare 【S5】______.

benefits as well. It is also grossly inefficient. Hospitals are forced,

by law, to help anyone who arrived in the emergency room. 【S6】______.

Since those with insurance coverage usually cannot pay for that car, 【S7】______.

the bill is passed on everyone else, driving up premiums. Higher

premiums, by turn, swell the ranks of the uninsured. 【S8】______.

Breaking that spiral would be a big step towards fixing American

healthcare. And it is one that politicians at last seem ready to get. Not 【S9】______.

in Washington, where reform. is still stalled (延误) by an argument

between conservatives, who more consumer choice, with those on the 【S10】______.

left, who think government intervention is the answer. Instead, state

governors are taking the lead.

【S1】

10 Who is responsible for hiring new employees？

Sales in 1990 fluctuated before dropping sharply, whereas in 2000 sales remained constant throughout the period.