根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
How to keep healthy and be happy
【小题1】 Who wouldn’t want to know how to be joyful and enjoy good health?
【小题2】 Try to follow the food pyramid(金字塔). Eat a lot of fresh fruits or vegetables, some whole grains and fiber, a little bit of dairy, a little bit of meat, and very little sugar and fat.
【小题3】 To exercise you can run, do sit-ups, push-ups, etc., lift weights, walk around your neighborhood.
【小题4】 It is best to get at least seven hours of sleep a day because lack of sleep can harm your health. To form a regular sleep habit, go to bed at the same time each night and wake up at the same time each morning. It may seem hard at first, but it will get easier after you’ve done it for a while.
Keep yourself busy. This is good because it prevents you from having bad habits, such as smoking and taking drugs. It is also important to keep busy with positive tasks. 【小题5】 To keep yourself busy you can work around the house, spend time with your pets. Write in a journal, do a sport, or spend time doing a hobby you enjoy.
Remember that nothing is worth sacrificing(牺牲)health and happiness for, so avoid anything that destroys them. Do not do anything harmful to yourself such as doing drugs, smoking, or hanging around and being influenced by negative people. A．Be social and have friends.B．Good health and happiness are important goals in life. C．Eat balanced meals. D．Worrying is harmful, and work is good for the mind as well as the body.E. Take some exercise regularly.
F. Make sure you get eight hours of sleep daily.
G. Form regular sleep habits. B
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(答案→)B
解析：本文叙述了人们保持健康和幸福应该做到以下几点:一是注意平衡饮食。二是进行有规律的锻炼。三是有足够的睡眠的。四是忘掉烦恼。最后指出，健康和幸福是最重要的。
【小题1】根据Who wouldn’t want to know how to be joyful and enjoy good health?这里提到了幸福和健康，故选B。
【小题2】根据Eat a lot of fresh fruits or vegetables, some whole grains and fiber, a little bit of dairy, a little bit of meat, and very little sugar and fat.对这些加以总结概括，就是要注意平衡饮食，故选C。
【小题3】根据To exercise you can run, do sit-ups, push-ups, etc.这一段主要提到要进行有规律的锻炼，故选E。
【小题4】根据To form a regular sleep habit, go to bed at the same time each night and wake up at the same time each morning.这段主要谈论的睡眠的问题，故选G。
【小题5】根据Remember that nothing is worth sacrificing(牺牲)health and happiness for, so avoid anything that destroys them.不必忧愁，没有比健康和幸福再重要的了，故选D。