moving the pilot __79__, the man took his seat and listened carefully to the __80__ instructions that were being sent by radio from the airport __81__. the plane was now dangerously close __82__ the ground, but to everyone’s __83__, it soon began to climb. the man had to __84__ the airport several times in order to become __85__ with the controls of the plane. __86__ the danger had not yet passed. the terrible __87__ came when he had to land. following __88__, the man guided the plane to ward the airfield. it shook violently __89__ it touched the ground and then moved rapidly __90__ the runway and after a long run it stopped safely.
71. a) although b) while c) therefore d) then
72. a) shifted b) thrown c) put d) moved
73. a) showed b) presented c) exposed d) appeared
74. a) well b) still c) calm d) quiet
75. a) inquired b) insured c) informed d) instructed
76. a) fallen b) failed c) faded d) fainted
77. a) best b) least c) length d) first
78. a) hesitation b) surprise c) doubt d) delay
79. a) back b) aside c) about d) off
80. a) patient b) anxious c) urgent d) nervous
81. a) beneath b) under c) down d) below
82. a) to b) by c) near d) on
83. a) horror b) trust c) pleasure d) relief
84. a) surround b) circle c) observe d) view
85. a) intimate b) familiar c) understood d) close
86. a) then b) therefore c) but d) moreover
87. a) moment b) movement c) idea d) affair
88. a) impression b) information c) inspections d) instructions
89. a) as b) unless c) while d) so
90. a) around b) over c) along d) above
答案：71-75 abbcc 76-80 dbabc 81-85 dadbb 86-90 cadac
