【正确答案】1. The Post Office is responsible for dealing with letters, parcels, cash remittance, etc. People send or receive them from there. There is often a small counter selling envelops, stamps and providing the service of packaging the parcels. It also serves people to deposit money. There are ATMs of Post Office everywhere, but maybe not as many as those large banks. It provides telephone service and is responsible for the setting of telephone numbers, the issue of telephone cards and the charge of the phone fares.
   2. The railway station serves people long-distance travels. Every day there are many people waiting in the railway station for trains to take them to other places. Nowadays there are railways covering everywhere in China. The train is a very convenient vehicle for travelers besides the plane. The price of the ticket is acceptable to most people. There are different kinds of tickets for seats and sleepers. There is one carriage serving food and drink for passengers. There are also boiled water and washing rooms in each carriage.
   3. The hospital is a place for people to treat their diseases. Doctors and nurses work there. When people go to the hospital, they at first register and then go to see the doctor. There are many departments in the hospital, divided according to different parts of the human body, such as dentistry and surgery. After the doctor gives the subscription, patients then go to the charging office to pay for the medicine, and then go to the drugstore to get the medicine. If the disease is very serious, patients have to be in hospital for some time.
   4. The government serves as an administration unit to supervise people and provide some services for people. There are different departments according to their different functions. For example, there may be the department of agriculture, the department of education, etc. There are also local governments and the central government. The administration exists from village to town to city and to province, etc. The central government governs all the administration below it. People who work there are called civil servants. The government is the political center for the society. Without it, everything can't work.