翼下颌间隙向上可通向（）
A.颞下间隙
B.颊间隙
C.下颌下间隙
D.咽旁间隙
E.咬肌间隙
参考答案：A
The inspector ____ his fingers over the sheet of newspaper. There were some marks on the surface of the paper.
A．turned
B．set
C．held
D．ran
钢丝绳在卷筒上有哪些安全要求：必须在（），尾部卡牢并且至少要（）。
