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26[填空题]
在微积分方法正式发明之前,许多数学家的工作已经显示着微积分的萌芽。如笛卡尔的求切线的圆法(开普勒)的求旋转体体积的方法,()的不可分量原理等。
  积分
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  •      An old man died and left his son a lot of money. But the son was a foolish young man, and he quickly spent all the money, so that soon he had nothing left. Of course , when that happened, all his friends left him. When he was quite poor and alone, he went to see Nasreddin, who was a kind, clever old man and often helped people when they had troubles.     My money has finished and my friends have gone, said the young man. What will happen to me now?    Don't worry, young man, answered Nasreddin. Everything will soon be all right again. Wait , and you will soon feel much happier.    The young man was very glad. Am I going to get rich again then? He asked Nasreddin.    No, I didn't mean that, said the old man. I meant that you would soon get used to being poor and to having no friends.26.An old man died and left his son____.                                   A. nothing  B. some gold   C. much money  D. only a house27. When the son was____, he went to see Nasreddin .                    A. short of money    B. quite poor and sickC. in trouble               D. quite poor and alone28.The young man was very glad because Nasreddin said that____.        A. he would become rich again      B. he would soon feel much happierC. he would become clever             D. he would have more friends29.Nasreddin meant the young man____.                                                     A. would get rich again                             B. would get used to having nothingC. would get used to being in trouble    D. would get out of poorness30.What this story tells us is___.                                       A. that money is everything      B. that money makes the mare goC. to save each penny                D. that misfortune tests the sincerity of friends 大学英语(I)
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