A:put off
B:took off
C:set off.
D:gave off
(参考数据:sin43°≈0.682,cos43°≈0.731,tan43°≈0.933,
sin45.72°≈0.716,cos45.72°≈0.698,tan45.72°≈1.025)
The elevator was a____ quickly.
如图,在△ABC中,三边a、b、c的大小关系是( )