举行拍卖会时,人民法院一般应派人员到场监拍,并将拍卖情况记入笔录,拍卖机构也可邀请公证员到场进行公证。( )
参考答案:对
You may go to the ______ if you want to watch Peking opera. [ ]
A. library
B. supermarket
C. theatre
D. bookshop
原油加工前为何要脱除盐分?