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【单选题】
（）是装备攻击直升机、运输直升机和其他专用直升机及轻型固定翼飞机，遂行空中机动和支援地面战斗的兵种
A.
陆军航空兵
B.
海军航空兵
C.
空军航空兵
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举一反三
【单选题】When the whole area was ______ by the flood, the government sent food there by helicopter (直升机).
A.
cut away
B.
cut off
C.
cut up
D.
cut down
【单选题】1907年11月13日，（）亲自驾驶他自己研制的全尺寸载人直升机，在无外力帮助下，腾空并悬停20分钟，离地高度0.3米，实现了人类首次有动力直升机的垂直升降飞行。
A.
英国人凯利
B.
法国人布雷盖
C.
法国人科尔尼
D.
俄国人西科尔斯基
【单选题】On February 4,1974, the Capital Building, the newest building ha Sao Paulo, was destroyed in a big fire. The fire was started on the 11th floor. Soon the whole floor was on fare. There were 25 floors ...
A.
Right.
B.
Wrong.
C.
Doesn’t say.
【单选题】When the whole area was______by the flood, the government sent food there by [heli copter] (直升机).
A.
cut away
B.
cut off
C.
cut up
D.
cut down
相关题目：
【单选题】When the whole area was ______ by the flood, the government sent food there by helicopter (直升机).
A.
cut away
B.
cut off
C.
cut up
D.
cut down
【单选题】1907年11月13日，（）亲自驾驶他自己研制的全尺寸载人直升机，在无外力帮助下，腾空并悬停20分钟，离地高度0.3米，实现了人类首次有动力直升机的垂直升降飞行。
A.
英国人凯利
B.
法国人布雷盖
C.
法国人科尔尼
D.
俄国人西科尔斯基
【单选题】On February 4,1974, the Capital Building, the newest building ha Sao Paulo, was destroyed in a big fire. The fire was started on the 11th floor. Soon the whole floor was on fare. There were 25 floors ...
A.
Right.
B.
Wrong.
C.
Doesn’t say.
【单选题】When the whole area was______by the flood, the government sent food there by [heli copter] (直升机).
A.
cut away
B.
cut off
C.
cut up
D.
cut down
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