倚天劍，屠龍刀～

閱讀下面的短文，從短文后各題所給的A、玖C和D四個(gè)選項(xiàng)中，選出可以填入空白處 的最佳選項(xiàng)，并在答題卡上將該項(xiàng)涂黑。I was attending my first group meeting in the university lab where I had just started as a postdoc(博士后), and I was pleased that I had managed to? 31? most of the discussion. Then, when my supervisor(導(dǎo)師) asked about my previous accomplishments. I? 32? . In my home country of Brazil, I had? 33? lots to be proud of. But now I was in Washington, and? 34? didn’t know the word “accomplishment” meant. When I looked it up later in the dictionary, I realized what I should have said:? 35? my research at international conferences, publishing, teaching, and more. But at the time, my? 36? could only be “I don’t know.”Shortly after the? 37? lab meeting incident, my confidence took another? 38? when some of my experiments and analyses didn’t work. The paper I intended to? 39? did not come out. I used to be? 40? to give talks; now, I was asked to speak more? 41? because of my accent. My? 42? was shattered(粉碎). Could I only be successful in my own country? After months of? 43? , I reminded myself to regain my lost confidence. I started to? 44? my new environment. I grasped opportunities to? 45? with others, which forced me to talk more. It was? 46? at first, but with practice I gradually felt more confident in my English. I began to receive? 47? feedback on my presentations.Now after 2 years I’m so proud of how? 48? I’ve come. I’ve presented my research at several international conference, and I’ve had my own papers published.? 49? , my confidence is back. I feel like an immoral (不朽的) soldier. I’ve experienced difficulties and? 50? only to become even stronger than before.31. A. open up B. join in C. follow D. hold 32. A. hesitated ? B. laughed C. refused D. froze33. A. donated B. evaluated C. achieved D. instructed34. A. even B. always C. naturally D. sometimes 35. A. performing B. presenting C. pursuing? ? D. directing 36. A. result B. research? ? C. response? D. explanation37. A. minor B. separate C. extraordinary D. embarrassing38. A. chance? ? ? B. hit? C. step? ? D. break39. A. publish? ? ? B. write? ? ? C. copy? ? ? ? D. Read40. A. urged B. invited? ? C. ordered? ? ? D. encouraged41. A. freely B. slowly? C. formally? ? ? D. frequently42. A. hesitation B. confusion C. confidence? D. imagination43. A. self-doubt B. self-control C. self-motivated D. self-assignment 44. A. improve B. explore C. get used to D. make use of45. A. interact? B. fight? ? C. stay? ? ? ? D. work45. A. interact? B. fight? ? C. stay? ? ? ? D. work46. A. meaningless B. ridiculous? C. useless? D. scary47. A. informal? B. accurate? ? C. positive? D. personal48. A. endlessly? B. quickly? C. fast? ? ? ? D. far49. A. In short? B. As a result C. To be honest D. By contrast50. A. glories? ? B. failures? ? ? C. departures? D. meetings