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can run , swim , skate or play ball games like basketball , volleyball , football and golf .And walking is also good for our body .And the best exercise time is in the morning , because you can enjoy fresh air then .Third, keep good sleeping habits,too many sleep time or too less sleep time is all do harm to our healthy,for adult people ,the rational sleep time is about eight hours one day. Last,we should keep good emotion,we should release pressure which from work and study in be selfconfident. science and technology will destroy the earth and eventually even human begings?As the development of science and technology , the environmental pollution is more and more serious,but I think it would not destroy the earth ,I have three reasons.Fisrt, people have be aware of the seriousness of the many countries ,the govement have make law to protect the environment.Second, Scientists have been devoted to the research of new energy resources,such as green energy , Solar Energy,they do no harm to the most important thing is thar they are renewable.Last, more and more peple have join the team to protect the earth,they planting more trees,somking less and so on. to make eggs fried rice.My favorite food is eggs fried rice,not only because it is simple to make,but also it is you like to eating fried rice ,you do not need not to go to the restaurant,you can make it youself.First of all ,prepare the material:rice,about 3 eggs,oil ,salt, and pepper.Then,open the eggs and mixed with pepper and Pour the oil into the pot,wait for a minute,pour the mixed eggs into the pot,then wait for 34minutes,pour the rice into the pot,just wait for about 5minutes, pour A small spoon of salt into the things is done,just a moment,you can enjoy it now! favorite singer.I like music,And I know many famous singer such as zhang xueyou,zhou jielun,lady gaga,but my favorite singer is machael is a American singer .he was born on 1958 and died on three reasons,he bee my favorite singer.First,his voice is very good,and many song he ever singed have bee classical song,such as 《You are not alone 》,《Billie Jean》,《Thriller》and so on,each of his album is send very well.Second,his dance is so wonderful, especially, moonwalk or you can call it space step ,which is create by machael,is so popular that until today many singeres are also imitate his dance.Last,he is a good man , kindhearted, in his life ,he have donate about 30 billion to help the poor children in the rural area.Althouth he died in 2009,every year there are many people go together to Tribute to machael. your partner “should sports starts be paid such high salaries?”I am afraid