问题
单项选择题
男，40岁，
龋坏，经治疗后，要求做PFM冠修复，基牙预备后比色。比色的工作条件下列哪项叙述不正确（）
A．减少人员间色彩判别误差
B．在白色自然光或模拟日光光线照明最好
C．环境以白色基调为好
D．瓷粉与比色板配套很重要
E．患者口腔与比色者的视线同高
答案
参考答案：C
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男，40岁，龋坏，经治疗后，要求做PFM冠修复，基牙预备后比色。比色的工作条件下列哪项叙述不正确（）
A．减少人员间色彩判别误差
B．在白色自然光或模拟日光光线照明最好
C．环境以白色基调为好
D．瓷粉与比色板配套很重要
E．患者口腔与比色者的视线同高
参考答案：C
阅读短文，掌握其大意，然后从36-55题中选出能填入空白处的最佳答案，使短文句意通顺，符合逻辑，并把答案填在在答题卡内。 Once there were two men, who lived in the same hospital room. One man’s bed was next to the room's only window. _____ , the other man, since his illness was more _____, had to spend all his time in bed. When the man in the bed by the window could _____ up, he would tell his roommate all the things he could see _____ the window. He said the window ______ a park with a lovely _____. Ducks played on the _____ while children sailed their model boats. Old trees grew and beautiful flowers were in bloom. What a fine _____! The man in the other bed would be _____ by the beautiful colors of the world outside. Days and weeks passed. One morning, the nurse found the man by the window had _____ peacefully in his sleep. She called the hospital attendants to take the body _____. As everything was done, the other man asked if he could be _____ next to the window. The nurse said OK and after making sure he was comfortable, she left him _____ . Slowly and painfully, he tried to take his __ ___ look at the world outside. He thought he would be _____ to see it by himself. But to his surprise, he saw nothing but a white _____. The man asked the nurse ____his roommate _____ to him and said there were wonderful things outside this window. The nurse told him his roommate was blind and could not even _____ the wall. She said, "Perhaps he just wanted to _____ you. He only hoped you could live in a colorful world and got better quickly. "
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