液晶显示屏的SXGA标准要求其分辩率能够达到（）
A.1280*1024
B.1024*768
C.800*600
D.1024*800
参考答案：A
—What's this?
—_____.[ ]
A. It's watch.
B. Yes, it's a watch.
C. No, it isn't.
D. It's a watch
蒸汽锅炉通常用（）表示锅炉的容量。
A、t/h
B、Mpa
C、kgf/cm2
D、MW
