压力循环润滑的特点是（）。
A.工作可靠
B.润滑效果好
C.磨损增加
D.清洗和冷却作用
参考答案：A, C, D
The new hospital will be located in _________ used to be a wasteland and a huge shopping mall will also be constructed ________ there used to be a school many years ago.
A．where; where
B．what ; in which
C．what ; where
D．which; where
国内银行接到国外开证行开来的信用证，按不同货币分别记入表外科目核算，其会计分录为（）。
A.收入：国外开来保证凭信
B.付出：国外开来保证凭信
C.收入：开往国外保证凭信
D.付出：开往国外保证凭信
