课程设置包括()
A、内容及范围
B、顺序
C、培训技法
D、时间分配
E、指导方案
参考答案:A, B, C, D, E
Not only Lucy’s brothers but also Lucy herself ________ living in China now.
A.enjoy
B.enjoys
C.enjoying
D.enjoyed
设平面图形A由X2+y2≤2x及y≥x所确定,则A绕直线x=2旋转一周所得旋转体的体积公式为( )