题目

This is the use which we made_____sea resources. A . it of B . use of C . which of D . of 答案：D骨骼肌中间较粗的部分叫，两端较细的呈乳白色的部分叫A.肌腹、关节B.肌腹、肌腱C.关节、肌腹D.肌腱、肌腹