专题制图数据叫以分为()。
A.复合数据
B.线性数据
C.位置数据
D.面积数据
E.体积数据
参考答案:B, C, D, E
At present, more and more people prefer _________ in the countryside because there is _____ pollution in the city.
A.living, more
B.to live, less
C.living, less
D.to live, more
颈动脉鞘由下列哪一筋膜形成()。
A.颈深筋膜浅层
B.颈深筋膜中层
C.颈深筋膜深层
D.颈浅筋膜
E.颈深筋膜全层