填空题

Americans are proud of the medical (36) made in this country. Medical scientists have found cures and (37) for such diseases as polio and tuberculosis. They have learned a great deal about (38) and heart disease. Many lives have been saved. American hospitals are the most modern and best (39) medical facilities in the world. But this degree of excellence has been expensive.
Medical costs in the United States are very high. There is a (40) health plan for Americans. But there are many programs (41) for this purpose. Many people have health plans at the companies where they work. Under these plans, the company pays a fixed (42) of money regularly into a fund. Then when the (43) needs medical help, he can use money from the fund to pay for it.
Other people have health insurance. They pay insurance premiums each month to insurance companies which then pay for medical expenses when they are needed. (44) People regularly pay for the hospital directly. (45) . The government has health insurance programs. (46)