问题
单项选择题
感绿胶片吸收光谱的峰值在
A．500nm
B．550nm
C．600nm
D．650nm
E．700nm
答案
参考答案：B
解析：感绿片是一种配合发绿光的增感屏使用的正色片，其吸收光谱的峰值在550nm。
搜题请搜索小程序“爱下问搜题”
感绿胶片吸收光谱的峰值在
A．500nm
B．550nm
C．600nm
D．650nm
E．700nm
参考答案：B
解析：感绿片是一种配合发绿光的增感屏使用的正色片，其吸收光谱的峰值在550nm。
| 完形填空 | |||
| I like my Chinese teacher very much. He is a 1 man, about 25 years old. He is tall 2 black short hair. He is a very humorous(幽默的) person. He often 3 us jokes(笑话) and 4 to make our class more 5 . In class, he is a very 6 teacher. If we don’t listen to him carefully, he will give us some punishment(惩罚) by 7 us some questions. But after class, he becomes a very good 8 of us. He often talks with the girls and plays 9 with the boys. All of us really like him. He is our 10 teacher. | |||
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