When things aren’t going well, my parents always ______ （鼓励）me, telling me not to give up.

如图5-44所示，已知梁的弯曲刚度EI为常数，今欲使梁的挠曲线在x=l/3处出现—拐点，则比值Me1/Me2为 ( )。

A.Me1/Me2=2 B. Me1/Me2= 3 C.Me1/Me2=1/2 D. Me1/Me2=1/3

共用题干
Have You Filled up the Form?

Of all things in the world,I most dislike filling up forms;in fact,I have a________(51)horror of it. Applying for a driving license,________(52)for an evening course,booking a holiday abroad一everything nowadays seem to involve________(53)information about one's personal life and habits that has little or nothing to do with the matter________(54)hand.When applying for a job,it may be________(55)some obscure interest to a________(56)employer to learn that I collect stamp or had measles as a child,but why should he conceivably want to know that my father was a tobacconist who died in 1988?
The authorities who________(57)one to fill up forms,frequently demand answers to questions that one would hesitate to put________(58)one's intimate friends.The worst of it is that, when________(59)with such questions,my mind goes blank.Have I ever suffered from a serious illness?My mother always assured me I was"delicate".Do I suffer from any personal defects? Well,I wear contact lenses and my upper teeth are not my own,but perhaps the word"defects"________(60)to my character. Am I supposed to________(61)that I like gambling,and find it difficult to get up in the morning?Both of them are true.
Of all,I think job applications are the worst,education,previous experience,post held,give
________(62)…Terrified by the awful warning about giving false________(63)which appear at
the bottom of the form,I struggle to remember what exams I passed and how long I worked for what firms.________(64)hard I try,there always seems to be a year or two for which I cannot satisfactorily account and which I am certain,if left________(65),will give the impression that I was in prison or engaged in some occupation too dubious to mention.

_________(56)
A:prospective
B:coming
C:existing
D:going