231.The discipline of his early hardships contr123ted to his cuccess.
232.Because of advances in medical technology，heart surgery is not as risky as it formorly was.
233.She took the initiative in getting acquainted with sb.
234.She has supersition that breaking a mirror brings bad luck.
235.This one would be even more demanding. 要求更高
236.bring many benefits and conveniences to people
237.The establish of more courses that are contr123tory to the shaping of a sound psychology for students in high school derives form the current social demand.
238.The evcr-increasing improvement in all the realms of human life has necessitated the priority particitation of those who are in possession of adequate expertise， upright conduct and a competent mental condtion.
239.be beneficial to both A and to society as a whole
240.enable sb to stand the sundry emotional social strains
241.exert a huge influence upon.。.
242.when the naivety of childhood is left behind and maturity of adulthood is embraced
243.A is only the preliminary stage in the process of growing up.
244.Sport is an important part of modern life as well as a commercialized part of modern society.
245.People engage in sports because they want good health.
246.They sacrifice too much.
247.It’s not unreasonable that.。.. 。..不無道理
248.Sb should be more supportive of.。
249.It‘s a fact that traditional culture is undergoing a decline with the development of science and technology.
250.It’s human nature to continually look for new ways to replace old ones.
251.dispel the mist and explain many phenomena that we thought of as mysteries in the past
252.both the senior citizens and the youth
253.Only this way can the essence the of traditional culture be inherited as it should be.
254.Zoos provide recreation and refreshment for fatigued urban dwellers.
255.dreamlands for small children
256.dragon‘s descendants 龍的傳人
257.add to their knowledge something they will never acquire in the classroom
258.research facilities
259.gradually rises to 10% at 8:00 and maintains the same for the next 2 hours
260.There is 。.. increase 。.. ，however， after that it drops.