皮摺厚度是哪三个部位的皮下脂肪厚度之和。()
A、三头肌,肩胛下,脐旁
B、三头肌,腰部,小腿部
C、三头肌,脐旁,小腿部
D、腰部,脐旁,大腿部
参考答案:A
Have you ever had a case _______ someone accused your journalists of getting the wrong end of the stick?
A.where
B.which
C.that
D.when
钢材随钢号提高,其塑性和冲击韧性( )。
A.降低B.提高C.不变D.无关