阅读下面的短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。 On June 25, two days after our kidney transplant （移植） surgeries, my daughter-in-law, supported by her nurse and my son, walked into my hospital room in Seattle． There she was, the 36 of my kidney, smiling at the foot of my beD．That's when I realized the full 37 of 'to give is to receive．' This February, 38 her kidney function continued to decline, my daughter-in-law needed a kidney transplant to 39 ．I told her that it would be a（n） 40 to me to be able to donate a kidney to her． Immediately I was found compatible （相匹配的）, my 41 as a kidney provider began． After 42 some tests and exams with my personal physician, I flew to Seattle for 43 testing． Whenever I 'passed' one 44 , I became more relieved．Then I received the phone call telling me I wa s   45 ． which made me very happy． 46 , the day arriveD．Before the surgery, I truly wasn't afraid; I just wanted the transplant to be 47 ． I woke that evening, my son telling me that my left kidney was 48 in my daughter-in-law． A strong sense of 49 washed over me． It was one of the most _50 moments of my life． A 51 later, I got an e-mail from my daughter-in-law, saying: 'Happy One-Month Anniversary!' We did have something to 52 I wasn't affected much by the surgery, and more importantly, she felt like she had her 53 back． Up to now, being able to see my daughter-in-law 54 one of my kidneys has been one of the greatest gifts I have 55 received． 小题1: A．provider B．receiver C．operator D．doctor 小题2: A．plan B．concept C．meaning D．advantage 小题3: A．as B．if C．though D．Unless 小题4: A．leave B．survive C．rise D．pass 小题5: A．attempt B．comfort C．experience D．gift 小题6: A．challenge B．surgery C．journey D．action 小题7: A．completing B．marking C．failing D．writing 小题8: A．still less B．even more C．much worse D．far better 小题9: A．difficulty B．problem C．stage D．test 小题10: A．refused B．cured C．approved D．charged 小题11: A．Gradually B．Finally C．Immediately D．Suddenly 小题12: A．safe B．special C．comfortable D．secret 小题13: A．behaving badly B．staying safe C．going wrong D．working well 小题14: A．guilty B．sacrifice C．relief D．appreciation 小题15: A．satisfying B．worrying C．frightening D．surprising 小题16: A．year B．week C．moment D．month 小题17: A．remember B．share C．celebrate D．treasure 小题18: A．beauty B．smile C．confidence D．life 小题19: A．benefit from B．contribute to C．care for D．focus on 小题20: A．never B．ever C．already D．almost