1、Birth and death born on 2 January,1920 in Russia died on 6 April,1992 in 1._WorkBeforeworkingas a writer worked in his parents 2._ store worked as a(n)3._ chemist at the Philadelphia Navy Yard 4._ biochemistry at Boston University School of MedicineAs a writer wrote many mystery stories,5._ books,an
2、d books about the Holy Bible and Shakespeare works of 6._:the Foundation trilogy&I,RobotNew Yorkcandyjuniortaughtscienceand historyscience fiction形形象象记记忆忆it通常用来指代上文提到过的那个事物，表示特通常用来指代上文提到过的那个事物，表示特指概念，即指代同一物指概念，即指代同一物one表示泛指概念，替代可数名词的单数形式。其表示泛指概念，替代可数名词的单数形式。其复数形式复数形式ones也表示泛指概念，用来替代可数也表示泛指概念，用来替代可数名词的复数形式。名词的复数形式。the one(s)也是替代可数名词，也是替代可数名词，但表示特指概念但表示特指概念that既可以用来指代可数名词单数，又可以用来指既可以用来指代可数名词单数，又可以用来指代不可数名词，表示特指概念，相当于代不可数名词，表示特指概念，相当于“the名词名词”结构结构those替代上文提到的人或物中特指的那些，替代可替代上文提到的人或物中特指的那些，替代可数名词复数数名词复数
