轴承箱检修工艺要求轴承箱就位基础上后，底脚要用定位销钉定位，且应（）
A.垂直
B.有一定坡度
C.平行
D.水平
参考答案：D
Jim _________ in Zhuzhou since he finished his college.
A. works B. is working C. has worked
邓 * * 最早提出“一国两制”科学构想的现实依据是( )。
A．香港问题 B．澳门问题 C．港澳问题 D．台湾问题
since he finished his college.