最后孤立化倾斜的磨牙上应设计的卡环是()
A.正型卡环
B.连支卡环
C.长臂卡环
D.连续卡环
E.环形卡环
参考答案:E
Several theories of evolution had historically preceded that of Charles Darwin, although he expounded upon the stages of development.
A.found fault with
B.explained in detail
C.outlined briefly
D.offered in published form
Windows中文版一般已经预先安装了( )。
A.智能ABC
B.微软拼音
C.郑码
D.王码五笔