中国矿业学院首任院长为()
A、陈郁
B、吴子牧
C、张清涟
D、杜鸿宾
参考答案:A
______ do you ______ your new school? [ ]
A. How; think
B. What; like
C. How; think of
D. What; think of
机械油不宜用在重负荷的机械与设备上,否则会造成严重的磨损。