问题
填空题
在黑白底片照片中,除去金属银的方法通常是()
答案
参考答案:先使用氧化剂使金属银被氧化,再使用定影液,将被氧化的银离子变成可溶物质,溶于水溶液中
在黑白底片照片中,除去金属银的方法通常是()
参考答案:先使用氧化剂使金属银被氧化,再使用定影液,将被氧化的银离子变成可溶物质,溶于水溶液中
完形填空 | ||||
My name is Tony. I'm 1 English boy. I'm twelve years old. I'm a 2 . Jim is my good friend. He 3 from the U.S.A. We are in the same class. He's twelve years old, 4 . I have a nice photo. Now, look 5 my photo. Jim 6 a long face, small eyes, brown and short hair. And the boy 7 yellow is me. I like this 8 . Jim has a 9 . Her name is Kate. She is ten years old. Kate 10 a round face and big eyes. They have different looks. | ||||
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