我国现存最古老的典型的阿拉伯式清真寺是（）。
A.广州怀圣寺
B.扬州仙鹤寺
C.杭州真教寺
D.泉州清净寺
参考答案：D
Being sure that the wounded tiger could look after itself, the doctors___________it into the forest.
A．relieved
B．released
C．removed
D．rejected
阐述数调分系统日常维护或因故障更换倒板时，主要有哪些板需要注意？各板有何具体要求？
