蕉的功效有？（）
A.预防高血压，减少疲劳
B.抗氧化
C.助贫血
D防止皮肤干燥、脱屑
参考答案：A
解析：常吃香蕉可防治高血压，因为香蕉可提供较多的能降低血压的钾离子，有抵制钠离子升压及损坏血管的作用。香蕉中含有多种营养物质，而且含钠量低，不含胆固醇，食后既能供给人体各种营养素，又不会使人发胖。因此常食香蕉有益于大脑，预防神经疲劳，尤其适合于老年人食用。
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| Everybody dreams. Some people think dreams can tell us about the future. Other people think dreams tell us about ourselves. It's like our 1 is talking to us. Why are dreams 2 strange and hard to understand? Some people think our brain uses 3 to talk to us. When we fly, swim, or fall down in our dreams, it has a 4 meaning. Lots of doctors help people 5 their dreams. They find that dreams tell us about our 6 and fears. These days, many scientists 7 that dreams are very important. During the day, we have many 8 , and our brain receives a lot of information. When we dream, our brain 9 information that is not important, and puts the most important information into our 10 . As we learn more about the brain, we may find answers to our questions about dreams. | ||||
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