题目内容
When measuring foot length, find out a piece of white paper, tiled on the ground, then use a foot to draw out the outline of the whole foot with a pen, the length and width of the smooth outline can be measured with the hand finally
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Speed roller skates are athletic shoes, not equipment
The inline speed skating competition can be divided into track and road race. The road race track can be open or closed. The perimeter of the track is （） meters
elimination race is to set up one or more fixed elimination points on the way to the competition, elimination of（）or more athletes in the behind.
points race is one in which the points are higher at the end of the race than on the way，respectively：
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