判断触网、过中线犯规应注意什么?
参考答案:
网下穿越主要看队员是否妨碍了对方的比赛,并且主要由第二裁判员判定。若球被击入球网而引起对方队员触网,被视为被动触网,不造成犯规。
“春蚕到死丝方尽”是古人的误解,其实蚕丝吐尽时,蚕发育成不吃不动的
A.卵
B.幼虫
C.蛹
D.成虫
Based on the information provided in Materials 4(资料四),measure the performance of White Appliances and Black Appliances separately by using Residual Income Method (剩余收益法) and Economic Value Added Method (经济增加值法). Based on the results, evaluate whether the business of White Appliances or Black Appliances performs better.