具有“主治节”功能的脏是()。
A.肝
B.心
C.脾
D.肺
E.肾
参考答案:D
The news ________ your hometown. [ ]
A. is concerned about
B. is concerned in
C. concerns
D. concerns with
采用平行顺序移动方式加工完成该批零件所需要时间为( )分钟。
A.54
B.62
C.72
D.120