柱塞式喷油泵是利用柱塞在套筒内（）来泵油的。
A、高速旋转
B、前后摆动
C、左右转动
D、上下移动
参考答案：D
证券公司在交易所从事融资融券交易，应按照有关规定开立融券专用证券账户、客户信用交易担保证券账户、融资专用资金账户及客户信用交易担保资金账户，并在开户后3个交易日内报交易所备案。（）
33. Is it in this hospital_______my father had worked at I was born?
A．where; that
B．that; where
C．which; that
D．which; where
