问题
单项选择题
关于PQ型显影液特点的叙述，错误的是
A．显影能力的持续性强
B．具有良好的保存性
C．具有明显的超加和性
D．有时出现显影中的着色污染
E．照片处理容量大
答案
参考答案：D
解析：无显影的着色污染。
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关于PQ型显影液特点的叙述，错误的是
A．显影能力的持续性强
B．具有良好的保存性
C．具有明显的超加和性
D．有时出现显影中的着色污染
E．照片处理容量大
参考答案：D
解析：无显影的着色污染。
A mother and her young son got on a bus and s down. A girl, selling tickets on the bus, came to them. She was the conductor(售票员). The mother said，“I want a full ticket.” And t she gave the conductor some m . The conductor looked at the little boy and a , “How old are you?” The mother wanted to speak, b the conductor stopped h , and the boy said, “I’m six years old at home, and four years old on b and trains. My mother told me that.” The mother’s face turned r . She had to take some more money o of her bag and gave it to the conductor. The conductor gave her a full ticket and a half-price o .
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