完形填空，阅读下面短文，掌握其大意，选择一个最佳答案。

　　Mrs Wang lives in Nanjing now．She is 102 years old．People often ask her how she can keep 　　1　　 in her life．Mrs Wang says everyone can 　　2　　 to 102 if he eats healthy food and does some exercise every day．

　　Mrs wang thinks, first of all, 　　3　　 is very important．She often has a glass of 　　4　　 and two eggs for it at about 8∶00 a．m．Milk and eggs give her energy．So she doesn't often feel 　　5　　 in the morning．She 　　6　　 eats snacks because she doesn't think they are healthy food．She seldom eats meat too．She usually has some 　　7　　 and vegetables for lunch and supper．And 　　8　　 the meal, she usually has an apple or a banana．

　　Mrs Wang does some exercise too．She thinks she is still young．She 　　9　　 Taiji for an hour every day．Sometimes she also dances with her friends．“Do you want to be 　　10　　 forever(永远)? I'm sure you can if you have a good lifestyle! ” Mrs Wang says to us．

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完形填空。

　　Someone says,“Time is money．”but I think time is 　　1　　 important than money, why?Because when money is spent．We can get it back．However, when time is 　　2　　．It'll never 　　3　　．That is 　　4　　 we mustn't waste(浪费)time．

　　It goes without saying that the 　　5　　 is usually limited(有限的)．Even a second is very important．We should make full use of our time to do 　　6　　 useful．

　　But it is a pity that there are a lot of people who do not know the importance of time．They spend their limited time smoking, drinking and 　　7　　．They do not know that wasting time means wasting part of their own 　　8　　．

　　In a word we should save time．We shouldn't 　　9　　 today's work for tomorrow．

　　Remember we have no time to 　　10　　．

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　　Just as the teacher was coming into the classroom, one of the boys, whose name was James, said loudly, “Teacher is a fool．” The teacher pretended not to have heard this．He went up to the platform and said,“ Today we are going to have a lesson on punctuation．Punctuation in a sentence is very important．Look at this sentence．” He picked up a piece of chalk and wrote the following sentence on the blackboard：James says the teacher is a fool．The class laughed．“Now,” continued the teacher, “with two commas I can change the meaning of the sentence entirely．” He then put in two commas and the sentence read：

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