自动冲洗机显影温度的设定范围，适宜的是（）
A.18～20℃
B.20～22℃
C.33～35℃
D.40～45℃
E.45～50℃
参考答案：C
解析：目前，广泛应用的胶片及冲洗药液均适于自动冲洗机90秒或大于90秒的循环时间。通过大量实践和试验证明，显影温度设定在33～35℃是最适宜的。若使用超高速循环时间的冲洗机，必须提高显影温度和相匹配的胶片及冲洗药液。
| 完形填空。 | ||||
| Rudi Matt lived in a small village in the Swiss Alps in 1865. What he wanted most in the world was to climb the 1 peak (山峰) in the Alps. Rudi's mother and his uncle, Franz, a mountain guide, wanted him to stop 2 and start working in a hotel. Rudi would not 3 his dream and secretly got in touch with an English mountain climber 4 was planning to climb the highest peak. Franz was very 5 when he found out what Rudi had done, but he finally agreed to let Rudi go if he went climbing, 6 . Franz also didn't want to see Emil Saxo, a guide from another village, got to the top 7 him. Rudi turned out to be a very good climber, 8 as they got close to the top, the Englishman got sick and could go no farther. Franz 9 behind to take care of him, but Saxo continued, wishing to be the 10 to the top. Rudi went after Saxo, hoping to 11 him to the top. When they met, Saxo fought with Rudi and fell down by accident. Saxo was helpless and hurt. Rudi must 12 whether to carry Saxo back down to safety or to continue alone to the top. He decided Saxo's life was more 13 than his dream and helped him down. During that time, the Englishman and Franz 14 the climb, and finally they reached the top. Later, when they returned to the village, they told people that 15 was the real conqueror (征服者) of the mountain. | ||||
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