A. 100 B. 99
A. OPEN INPUT.DAT FOR INPUT AS #1 B. OPEN INPUT.DAT FOR OUTPUT AS #1 C. OPEN INPUT.DAT FOR INPUT AS #1 D. OPEN I, #1 INPUT.DAT
A. 错误 B. 正确
A. 钠 B. 碘
A. CO2 B. H2O