Fifty-five flags freely flutter from the floating firegate.
Fifty-five flags freely flutter from the floating firegate.
He made a deep _________ after he heard he had failed his English exam. A: sketch B: flutter C: sign D: beat
He made a deep _________ after he heard he had failed his English exam. A: sketch B: flutter C: sign D: beat
Who wrote the poem “When I saw plum blossoms, my body started to flutter a little”? A: Zhang Xu B: Dan Dang C: Dong Qichang D: Xu Xiake
Who wrote the poem “When I saw plum blossoms, my body started to flutter a little”? A: Zhang Xu B: Dan Dang C: Dong Qichang D: Xu Xiake
The phenomenon of flutter occurs: A: Rather at low speed and low altitude. B: Rather at high altitude and high angle of attack. C: Rather at high speed. D: Rather transonic, beyond the critical Mach.
The phenomenon of flutter occurs: A: Rather at low speed and low altitude. B: Rather at high altitude and high angle of attack. C: Rather at high speed. D: Rather transonic, beyond the critical Mach.
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