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趣找答案
65.How fast can Lie Bao move?
A.15m/s.
B.18m/s.
C.25m/s.
D.9,000m/s.
66.What will the high-speed Lie Bao camera be used for after the Olympics?
A.Outdoor games.
B.Film making.
C.News broadcasting.
D.Sports training.