可使足背伸的肌肉有（）
A.胫骨前肌
B.趾长伸肌
C.比目鱼肌
D.母长伸肌
E.腓肠肌
参考答案：A, B, D
Miss Huang is new in the office. Now everyone is waiting for her _____ to them. [ ]
A. to introduce herself
B. introducing her
C. introduce her
D. introducing herself
采煤机的安装质量要求？
