剖面图中,粗实线画的轮廓线表示剖切平面与形体截交部分的横断面,其余用( )画的,表示没有被剖切到的可见部分。
A.细实线B.中虚线C.中粗虚线D.中粗实线
参考答案:D
王老师的生日是第一季度的最后一天, 她的生日是( )月( )日。
So far all cloned animals have suffered from some different serious disorders, _____ dying soon after birth. [ ]
A. many of which
B. many of whom
C. many of them
D. many of that