穆罕默德确定的伊斯兰教圣地是在[ ]
A．麦加
B．麦地那
C．伊斯坦布尔
D．耶路撒冷
答案：A
To play better, all the players have to know their _______ and weaknesses.
[ ]
A. techniques
B. strengths
C. benefits
D. values
插削主要用于加工那些表面？
