Ответ:
Task 1.
1. There are three levels of medical service in the USA.
2. Yes, it is, because the average American has a doctor of his own who gives the patient regular examinations, vaccinations and medical advice.
3. Americans with low income come directly to the hospital for all their medical needs.
4. Medicare and Medicaid developed because of the considerable cost of medical care.
Task 2.
1. medical service;
2. family doctor;
3. free medical care;
4. vaccinations;
5. low income;
6. considerable cost
7. free medical care.