Tom played tennis with his brothers _ Saturday morning. [ ]
A. in
B. on
C. for
D. to
答案:B
简述我国对巴塞尔新资本协议的态度。
全口义齿模型上做上颌后堤区处理时,用雕刻刀在颤动线处刻划的切迹深度一般为
A.不超过0.5mmB.1~1.5mmC.2~2.5mmD.3mmE.4mm