[填空题]What problem do farsighted people suffer from
They have difficulty seeing ______.

Each year millions of people suffer from the effect of alcohol and drug abuse, getting into illness, crime and death.
In the United States alone, 10 to 12 million men and women and their loved ones and family suffer from alcohol. Additional millions abuse alcohol at great cost in health.
In Canada, it is said, "Alcohol increases business of hospitals, ambulance drivers, doctors, and nurses." Alcohol abuse and dangerous drugs have swept through Europe. Soviet culture, too, is playing enormous social and economic costs.
Developing nations are bothered by drug problem--both ancient and modern. In this part of the world hundreds of millions request doctors to ease their miseries and problems in life. These methods of coping are unhealthy solutions!
This passage is mainly about the worldwide (46) and (47) abuse. (48) million people and their families in America have suffered from alcohol abuse. The alcohol abuse has

 Each year millions of people suffer from the effect of alcohol and drug abuse, getting into illness, crime and death.
In the United States alone, l0 to 12 million men and women and their loved ones and family suffer from alcohol. Additional millions abuse alcohol at great cost in health.
In Canada, it is said, "Alcohol increases business of hospitals, ambulance drivers, doctors, and nurses." Alcohol abuse and dangerous drugs have swept through Europe. Soviet culture, too, is paying enormous social and economic costs.
Developing nations are bothered by drug problem—both ancient and modern. In this part of the world hundreds of millions request doctors to ease their miseries and problems in life. These methods of coping are unhealthy solutions!
This passage is mainly about the worldwide (46) and (47) abuse.
48 million people and their families in America have suffered from alcohol ab