As the place circled over the airport, everyone sensed that something was wrong. The plane was moving unsteadily through the air, and __71__ the passengers had fastened their seat belts, they were suddenly __72__ forward. At that moment, the air-hostess __73__. She looked very pale, but was quite __74__. Speaking quickly but almost in a whisper, she __75__ everyone that the pilot had __76__ and asked if any of the passengers knew anything about machines—or at __77__ how to drive a car. After a moment's __78__, a man got up and followed the hostess into the pilot's cabin.

　　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