数码相机的成像元件是()
A.CCD
B.像素
C.VCD
D.BCD
参考答案:A
8分)某有机物的结构简式为 HOCH2 CH=CHCOOH,
(1)写出该有机物中所含的官能团的名称________________________________
(2)写出该有机物与溴水反应的化学方程式________________________________
(3)写出该有机物与足量NaHCO3溶液反应的化学方程式_____________________
(4)写出该有机物与乙酸反应的化学方程式________________________________
All of the following are well-known female writers in 20th-century Britain except ().
A. George Eliot
B. Iris Jean Murdoch
C. Doris Lessing
D. Muriel Spark