搜题请搜索小程序“爱下问搜题”
问题
判断题
光纤标称工作波长为８５０ｎｍ、１３１０ｎｍ和１５５０ｎｍ。
答案
参考答案：对
选择题
— Mary, I have good news to tell you. I have been admitted to Peking University.
— ______
A. It's impossible!
B. I'm so pleased.
C. Congratulations!
D. That's all right.
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问答题 简答题
什么是CIN？什么是原位癌及原位癌累及腺体？它们是否一定发展为浸润癌？
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