50. They have no ______ of the help. A. expect B. expectation C. expectancy D. expectorate 51. Do you feel _____ when taking a test? A. nervous B. nerve C. nerveless D. nervy 52. Paper that _____ ink is called blotting paper. A. absorb B. absorbs C. absorbed D. absorbent 53. The scientists have invented a special chemical that attaches itself ______ to cancer cells. A. prefer B. preference C. preferential D. preferentially 54. _______ is very important in doing mathematical exercises. A. Precise B. Precisely C. Precising D. Precision 55. The workers chose Mr. Pike their _______. A. represent B. representative C. represents D. representation 56. Jack London wrote several ______ novels on adventure. A. interesting B. interested C. interest D. interestingly 57. She is _____ with her present job. A. satisfy B. satisfied C. satisfaction D. satisfactory 58. They are my _____ friends. A. intimate B. intimacy C. intimates D. intimation 59. It takes one a long time to become an ______ pianist. A. accomplish B. accomplished C. accomplishment D. accomplishing 60. The young usually do things _______. A. enthusiasm B. enthusiast C. enthusiastic D. enthusiastically 61. The industrial ______ has made many changes in our country. A. develop B. developing C. developer D. development