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grandh01
- Master | Next Rank: 500 Posts
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- Joined: Tue Jul 03, 2012 11:04 pm
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Since the 1930's aircraft manufacturers have tried to build airplanes with frictionless
wings, shaped so smoothly and perfectly that the air passing over them would not
become turbulent.
(A) wings, shaped so smoothly and perfectly
(B) wings, wings so smooth and so perfectly shaped
(C) wings that are shaped so smooth and perfect
(D) wings, shaped in such a smooth and perfect manner
(E) wings, wings having been shaped smoothly and perfectly so
OA is B
wings, shaped so smoothly and perfectly that the air passing over them would not
become turbulent.
(A) wings, shaped so smoothly and perfectly
(B) wings, wings so smooth and so perfectly shaped
(C) wings that are shaped so smooth and perfect
(D) wings, shaped in such a smooth and perfect manner
(E) wings, wings having been shaped smoothly and perfectly so
OA is B












