题目

生物技术的发展速度很快，已灭绝生物的复生已不是神话。如果世界上最后一只野驴刚死亡，以下较易复生野驴的方法是  A.将野驴的体细胞取出，利用组织培养，培育成新个体  B.将野驴的体细胞两两融合，再经组织培养技术，经脱分化、再分化培育成新个体  C.取出野驴的体细胞核移植到母家驴的去核卵细胞中，经孕育培养成新个体  D.将野驴的基因导入家驴的受精卵中，培育成新个体Christmas roses It was the afternoon of December 24, the day before Christmas, and as the newest doctor in our office, I   36 to wok. The only thing that brightened my day was the beautifully 37 Christmas tree in our waiting room and a gift sent to me by my  38  --- a dozen red roses. Then a woman came in with an infant (婴儿).39  she explained that her husband was a prisoner and was my next  40  . She told me she wasn’t allowed to visit her husband in prison and that he had never seen his son. She  41  me to let the boy’s father sit in the waiting room with her as long as possible  42  I called him for his appointment. Since my schedule wasn’t full, I  43 . A short time later, her husband  44  ---with two armed  45 as an escort ( 护卫 ). The woman’s tired face 46 up like our little Christmas tree when her husband took a 47 beside her. I kept peeking out to watch them laugh, cry and 48 with their child. After almost an hour, I called the  49  back to the operatory. The patient seemed like a gentle and humble（谦逊的）man. I wondered what he possibly could have done to be 50 under such conditions. I tried to make him as comfortable as possible. At the end I wished him a Merry Christmas --- a difficult thing to say to a man 51 back to prison. He smiled and thanked me. He said he felt 52 by the fact he hadn’t been able to get his wife anything for Christmas. On 53 this , I was inspired with a wonderful idea. I’ll never forget the look on both their faces as the prisoner gave his wife the beautiful 54 . I’m not sure who 55 the most joy --- the husband in giving, the wife in receiving, or myself in having the opportunity to share in this special moment. 1.                A．needed        B．used           C．had  D．ought 2.                A．dressed        B．decorated       C．cut  D．planted 3.                A．classmate       B．boss           C．parent   D．boyfriend 4.                A．Nervously       B．Eagerly         C．Curiously D．Carefully 5.                A．colleague       B．patient         C．student   D．customer 6.                A．begged         B．ordered        C．asked    D．invited 7.                A．when          B．until           C．after D．before 8.                A．smiled         B．hesitated        C．agreed   D．refused 9.                A．escaped        B．arrived         C．cried D．quarreled 10.               A．soldiers        B．judges          C．lawyers   D．guards 11.               A．went          B．lit             C．took  D．brought 12.               A．seat           B．rest           C．ride  D．look 13.               A．joy            B．water          C．food  D．possessions 14.               A．prisoner        B．nurse          C．doctor    D．woman 15.               A．awarded        B．punished       C．caught    D．held 16.               A．brought        B．gone           C．headed   D．returned 17.               A．saddened       B．excited         C．surprised  D．pleased 18.               A．seeing         B．hearing         C．remembering   D．learning 19.               A．tree           B．clothes         C．roses D．necklace 20.               A．enjoyed        B．suffered        C．benefited  D．experienced