Walk _________ the road, turn left at the third turning. [ ]
A. to
B. with
C. in
D. along
D
诊断癫痫主要靠()
A.神经系统检查
B.头颅X线平片
C.脑脊液检查
D.病史询问
E.脑电图检查
焚烧下列物质,会严重污染大气的是 [ ]
A.聚乙烯
B.聚氯乙烯
C.聚丙烯腈
D.有机玻璃