城市给水水源一般应设在()
A.生活居住区
B.工业区
C.对外交通运输区
D.仓库区
E.郊区
参考答案:E
Wal-mart is a supermarket______we can buy many expensive or inexpensivethings. [ ]
A. that
B. which
C. where
D. who
良性位置性眩晕出现的眼震为:()
A.自发性眼震
B.位置性眼震
C.变位性眼震
D.视动性眼震
E.中枢性眩晕