题目内容

What was first held at the roller skating field in Plymouth, England, in 1875?

A. roller skating stage play
B. roller skating competition
C. roller skating parade
D. roller skating dance

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What did brown patent in close collaboration with Joseph Henry hughes?

A. brake device
B. ABT device
C. ball bearing
D. soft boot design

London inventor Robert John tells patented a pair of roller skates called Rolito.How many wheels make a line in this pair of shoes?

A. 3
B. 5
C. 8
D. 10

轮滑阻拦赛起源于哪里?

A. 加拿大
B. 德国
C. 美国
D. 法国

下列哪一比赛距离不是速度轮滑场地赛的比赛距离?

A. 500
B. 200
C. 1000
D. 5000

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