Hotel employees are reminded to be ( ) and courteous, especially to first-time guests. 　

A. faces

　　B. face

　　C. facing

　　D. faced

　A. regular

　　B. regulars

　　C. regularity

　　D. regularities

A. One can avoid a heart disease by eating less foods with little cholesterol.

　　B. One can avoid a heart disease by taking the doctor's advice to eat low cholesterol foods and anti-cholesterol drugs or both.

　　C. There has been good scientific evidence that cholesterol foods can produce the chance of suffering a heart disease.

　　D. People usually believe that cholesterol foods are directly linked to heart disease.

A. tests have been designed to settle the cholesterol dispute

　　B. drugs have been tested to reduce the amount of the substance in blood

　　C. low cholesterol foods or anti-cholesterol drugs or both can reduce the chance of a heart attack

　　D. none of the statements mentioned above is correct

A. blood disease

　　B. heart disease

　　C. infectious disease

　　D. mental disorder

A. eggs, meats and milk products

　　B. potatoes, green vegetables and tomatoes

　　C. corn, wheat and beef

　　D. sugar, rice and butter

A. eating less foods with a lot of cholesterol

　　B. eating less of low cholesterol foods

　　C. eating a lot of high cholesterol foods

　　D. eating drugs

A. The free market.

　　B. The CEOs’ performance.

　　C. The corporations' profit.

　　D. The CEOs’ pay.

A. competent

　　B. courageous

　　C. disappointing

　　D. hard-working

A. most people lose money in the investment into the stocks

　　B. the CEOs performance can't be reflected by the value of stocks

　　C. the CEOs are not the only factor that prospers a corporation

　　D. the pay of the CEOs greatly influences the profit of' a company