题目

若关于x的方程3(x+4)=2a+5的解大于关于x的方程 的解,试确定a的取值范围. 答案:解:∵3(x+4)=2a+5,∴x= 2a−73 ,∵ (4a+1)x4=a(3x−4)3 ,∴x=﹣ 163 a,∴ 2a−73 >﹣ 163 a,解得a> 7181、An elderly carpenter was ready to retire.He told his employer of his  36  to leave the house-building business to  37  a happier life with his wife and enjoy his extended family.He would  38  the salary each week,but he wanted to  39  .They could get by.The employer was  40  to see his good worker go and asked if he could build just one more house as a personal  41  .Thinking for a moment,the carpenter said yes,but  42  his heart was not in his work.He used some materials with poor quality and  43  it with poor workmanship.It was a (n)  44  way to end a devoted career.When the carpenter finished his work,his employer came to  45  the house.Then he handed the front-door key to the  46  and said,“This is your house… my  47  to you.”When the carpenter heard these words,he was  48  ! What a shame! People all could not help saying:  49  he had known he was building his own house! So it is with us.We  50  our lives,reacting rather than acting,often  51  less energy and time to the building.Then,with a shock,we  52  we have to live in the house we have built.If we could do it again,we would do it  53  . Someone once said,“Life is a do-it-yourself  54  .”Your attitude and the choices you make today help build the “house” you will live in tomorrow.  55  ,build wisely! 36.A.agreements B.suggestions C.plans D.offers 37.A.1ive B.spend C.pass D.own 38.A.remember B.repay C.remind D.miss 39.A.work B.retire C.end D.advance 40.A.angry B.happy C.worried D.sorry 41.A.favor B.interest C.hobby D.habit 42.A.suddenly B.excitedly C.obviously D.surprisingly 43.A.took up B.dealt with C.worked out D.handed over 44.A.unfortunate B.fortunate C.interesting D.satisfactory 45.A.receive B.Sell C.inspect D.clean  46.A.employer B.carpenter C.contractor D.house-owner 47.A.gift B.pay C.wish D.contract 48.A.excited B.shocked C.interested D.frightened 49.A.Only if B.Even if C.If only D.But for 50.A.1ive B.enjoy C.establish D.build 51.A.distributing B.spending C.devoting D.putting 52.A.imagine B.realize C.wish D.think 53.A.differently B.carefully C.quickly D.slowly 54.A.project B.programme C.career D.step 55.A.However B.Therefore C.Then D.And.
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