The higher overhead costs of Pizza Hut obviously accounted for______.

Major pizza makers have to face the problem that their competitive advantages are______.

Mr. Bolton

Living is risky. Crossing the road, driving a car, flying, swallowing

an aspirin tablet or eating a chicken sandwich -- they can all be fatal.

Clearly some risks worth taking, especially when the rewards are 【M1】______.

high: a man surrounded by flames and smoke generally considers that

jumping out of a second floor window is an accept risk to save his 【M2】______.

life. But in medicine a few procedures, drugs, operations or tests are

not real a matter of life and death. There may be sound medical 【M3】______.

reason for accepting electrical shock treatment, but such reasons are 【M4】______.

totally dependent in the balance of risks and benefits for the patients. 【M5】______.

Surgery for cancer may cure or prolong a life, but the removal of

tonsils (扁桃体) cannot save anything a sore throat. Blood pressure 【M6】______.

drugs definitely help some people live after a heart attack, but these

same drugs may be both unnecessary and harm to those with only 【M7】______.

mild blood pressure problems.

Deciding how much discomfort and risk we are preparing to put up 【M8】______.

with in the name of better health is a high personal matter, not a 【M9】______.

decision we should remain to doctors alone. 【M10】______.

【M1】

Before the rise of industry people have less __ since they had to work from dawn to dark with little time allowed for meals.

Accomplishment of courses appears good in paper, because they are the manipulated results from __ of educational standard.