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