扑救露天堆垛火灾,为防止因受热辐射或飞火引起新火点,可用淋湿苫布遮盖未燃堆垛。()
参考答案:对
She said she would spend her holiday ___ Beijing.
A.on
B.at
C.in
D.For
中国中医学内针灸的理论基础在于调什么?