一个正多边形的每个外角都是36°,这个正多边形的边数是( )
10
The injured in the tsunami__________good care of by some medical teams.
A.is taken
B.are being taken
C.are taking
D.is being taken
汽车行业产业链的核心是()。
A.材料供应商
B.配件供应商
C.整车制造商
D.汽车经销商