罗吉尔•培根认为是（）超过论证，是知识的更重要的来源。A、论证 B、思考 C、实验

机组控制油压力和润滑压力相等。（）

Because he was       the new limit, he was stopped and wanted for speeding.

A．good at

B．tired from

C．unaware of

D．uninterested in

图是某质点运动的速度图象，由图象得到的正确结果是（　　）

A．0-1s内的平均速度是2m/s

B．0-2s内的位移大小是3 m

C．0-1s内的加速度大于2-4s内的加速度

D．0-1s内的运动方向与2-4s内的运动方向相反

“一国两制”的构想是针对下列哪一问题提出来的？（   ）                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       

A．澳门问题

B．台湾问题

C．香港问题

D．钓鱼岛问题

乳腺导管内原位癌保留 * * 手术后做放射治疗时，照射（）

A.全乳＋腋窝淋巴结

B.全乳

C.腋窝淋巴结区

D.锁骨上淋巴结区

E.内乳淋巴结区