阅读理解

阅读短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。

　　There are three branches of medicine．One is called "doctor medicine, " or "scientific medicine"．Scientific doctors try to observe sicknesses, look for logical patterns, and then find out how the human body works．From there they figure out what treatments may work．This kind of medicine is believed to date from the 4th century BC．Although nowadays it is successful, in the ancient world this method probably didn't cure many patients．

　　A second kind of medicine is called "natural cures, " or "folk medicine, " in which less educated people try to cure sicknesses with various herbs．These folk healers also use observation and logic, but they don't realize it．They try things until they find something that seems to work, and then they keep doing that．Folk medicine widespread long before the development of scientific medicine and was more successful in ancient times than doctor medicine．

　　The third kind is called "health spas, " or "faith healing．" Sometimes this may be as simple as touching the holy(圣)man and being immediately healed．Other times, a magician may make you a magic charm, or say a magic word, to cure you．Some religious groups organize special healing centers for the sick．In these places people rest, get plenty of sleep, eat healthy food, drink water instead of wine, and exercise in various ways．They also pray to the gods．If you are feeling sad or you have been working too hard, going to these places may be just the right thing to make you feel better．

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