( )是指机体表面与粗糙的物体相互摩擦而引起的皮肤表层损伤。
A. 扭伤
B. 撕裂伤
C. 关节脱位
D. 擦伤
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下列哪些活动属于体育课前的热身运动( )。
A. 头部运动
B. 肩部运动
C. 扩胸运动
D. 体转运动
常见的运动性炎症有( )。
A. 腱鞘炎
B. 咽喉炎
C. 肠胃炎
D. 滑囊炎
Directions: Complete the following sentences with themost appropriatewordfrom the four choices marked A, B, C, and D.How did the_______________respond to our suggestion?
A. edit
B. edition
C. editer
D. editor
Small business will need to______________costs in order to survive.
A. deduct
B. reduce
C. low
D. increase