题目内容

Pairs is when a man and a woman or two men and two women perform their movements in unison, skating in coordination with each other

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The toe of the current mainstream speed roller skates is divided into two types:（）

A. Round and flat
B. pointed and square
C. Square and round
D. Pointe and round

The machining precision of the wheel frame is not enough, which causes the deformation of the frame after the wheel is installed tightly and causes （）

A. the wheel not to turn
B. Wheel deflection
C. Wheel swing
D. Wheel fracture

Generally speaking, the wheel with the hardness of is hard and suitable for long distance; the wheel with the hardness of is moderate and suitable for various distances; the wheel with the hardness of __ is soft and suitable for short distance

we can use a shoe reamer,This tool is mainly for the length of roller skates and foot width sizeis not suitable for foot size and make fine tuning,Push the roller skates into the shoe reamerUse a ______ to heat areas that need to be expanded