( )mm的净片玻璃一般直接用于有框门窗的采光。
A.1~3
B.2~4
C.3~5
D.4~6
参考答案:C
— is that girl in red?
— She's my friend Amy.[ ]
A. Where
B. Who
C. What
D. How
低颅压常见于()
A.脱水
B.脑瘤
C.过度通气
D.低血压性休克
E.脑脊液漏