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【单选题】
“君子之，入乎耳,箸乎心,布乎四体,形乎动静”这一关乎学习过程的论述出自A.
论语
B.
C.
D.
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皮皮学刷刷变学霸
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【单选题】Hardly the helicopter _______ when the waiting crowd ran toward it.
A.
had...landed
B.
has...landed
C.
did...landed
D.
was... landing
【单选题】According to gyroscopic precession, if the rotor disc wants to tilt forward, which direction the pitch angle has to increase? Assuming the main rotor rotates counterclockwise,and 3-o'clock is on the r...
A.
3-o'clock
B.
6-o'clock
C.
9-o'clock
D.
12-o'clock
【简答题】Hardly ________ the helicopter ________ when the waiting crowd ran toward it. A) had ..., landed B) has ..., landed C) did..., land D) was..., landing
【单选题】A small fuel spillage has occurred during helicopter refueling. After the leak has been stopped and fire-control personnel have been notified and are standing by，the next step is to（）.
A.
proceed with fueling operation
B.
have helicopter move to a safer location
C.
wash spilled fuel away with a flood of water
D.
clean spilled fuel with rags
【单选题】The FBI has been called in to help __________ the tragic helicopter crash that killed NBA champion Kobe Bryant, and his teenage daughter.
A.
neglect
B.
investigate
C.
insert
D.
emerge
【简答题】Hardly ________ the helicopter ________ when the waiting crowd ran toward it. A) has ... landed B) had ... landed C) would ... land D) was ... landing
【单选题】Hardly_____ the helicopter______ when the waiting crowd ran towards it.
A.
has…landed
B.
had…landed
C.
would…land
D.
was…landing
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