21 世纪大学英语第三册读写教程课后答案(1-4)篇一：21 世纪大学英语读写教程第四册课后答案(超完整版) 21 世纪大学英语读写教程第四册答案（超完整版） Unit 1 TEXT A II 1.He defines greatness as the lasting contribution which a person makes or has made to human civilization. 2.The example of Churchill shows the importance of persistence and dedication in achieving greatness. 3.Firstborns and only children tend to make good leaders in times of crisis, but middle- born children are better peacetime leaders. 4.A 20th century politician should be an effective public speaker and a social person. 5.Intelligence seems to be less important than other factors, such as the ability to communicate effectively. 6.The ability to overcome traditional ways of thinking is also crucial. 7.They simply don’t devote the amount of time required. 8.The study showed that enjoying one’s work is the best form of motivation. IV 1.chat 2.acknowledge 3.motivated 4.charcteristic 5.despite 6.influential 7.cited 8.obstacle 9.intrinsic 10.criteria 11.obsession12.innate 13.contribution(s) 14.contemporary 15.submitted 16.morale V 1.left behind2.rise3.made history 4.were endowed with 5.put up with6.going nowhere7.ifocuses on 8.be built on 9.put in 10.come up with11.take charge 12.set...apart VI efficiencyemergencyfluencyfrequency proficiency tendency urgencysufficiency 1.fluency 2.proficiency3.emergency 4.Efficiency 5.tendency 6.frequency VII 1.For some students, it' s not that they don' t put in enough time — it' s that they don' t have good study habits. 2.Children perform differently at school. It' s not that they have different IQs — it' s that they are brought up in different environments. 3.The company is not very productive. It' s not that its sta...
