is ________(98) in the rocket engine changes ________(99) gas. The hot and rapidly expanding ________(100) must escape, but it can do so only ________(101) an opening that heads ________(102). As the gas is ________(103) with great force, it ________(104) the rocket in the ________(105) direction. Like the ________(106) of a gun when it is fired, it ________(107) the ________(108) of nature described by Sir Isaac Newton when he found that “________(109) every action, there is another equal and opposite ________(120).” 91.A. enough B. sufficiently C. adequately D. amply 92.A. by B. from C. beyond D. to 93.A. push B. pull C. pick D. plug

94.A. called B. known C. become D. reckoned 95.A. as B. if C. though D. for

96.A. discovered B. invented C. unearthed D. explored 97.A. before B. earlier C. ago D. ahead 98.A. exploded B. filled C. contained D. burned 99.A. by B. into C. through D. from 100.A. air B. smoke C. gas D. ash 101.A. through B. from C. out D. by

102.A. forward B. backward C. inward D. outward 103.A. illuminated B. reacted C. diffused D. radiated 104.A. pulls B. pushes C. drags D. holds 105.A. reverse B. vertical C. opposite D. downward 106.A. kick B. shoot C. shock D. knock 107.A. sticks B. follows C. adheres D. abides 108.A. rules B. regulations C. mechanisms D. laws

109.A. in B. for C. by D. on

110.A. response B. action C. more D. reaction

参考答案：

Section I(共计60分)

Part I(共20题，每题1分，满分为20分) 001-005 C A D B D 006-010 A B B B C 011-015 B C C D A 016-020 B B C A D

Part II(共20题，每题1分，满分为20分) 021-025 B D B A B 026-030 B A C B A 031-035 A C A B D 036-040 A B B C D

Part III(共20题，每题1分，满分为20分) 041-045 B A A B D 046-050 C D B B D 051-055 D A B D D 056-060 A D D B A

Section II(共30题，每题1分，满分为30分) 061-065 A B C A D 066-070 A B A B C 071-075 B A D D C 076-080 C A C B B 081-085 B C A D C 086-090 B D D C A

Section III(共20题，每题0.5分，满分为10分) 091-095 A C B C A 096-100 B C D B C 101-105 A B D B C 106-110 A B D B D