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【简答题】
白光垂直照射到空气中一厚度为 的肥皂膜上,设肥皂膜的折射率为 试问该膜的正面哪些波长的光干涉极大?背面哪些波长的光干涉极大?
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皮皮学刷刷变学霸
举一反三
【单选题】Best of all, with online education, we can stick to our jobs and at the same time study and _______the latest knowledge.
A.
absorb
B.
entertain
C.
reflect
D.
attract
【单选题】What will be barriers for the development of online bill pay?
A.
Online bill is not safe enough.
B.
The technology is not mature.
C.
Online-bill-pay services charge fee.
D.
Most companies are not willing to accept it.
【单选题】According to the author, the majority of jobs in the future will be what types of jobs
A.
Data jobs
B.
Freelance jobs
C.
Physical jobs
D.
AI assistant jobs
【简答题】On hearing the news, I ____________ (忍不住笑起来) and spread it among the class.
【单选题】下列属于被审计单位健全有效的存货内部控制中需要由独立的采购部门负责的是( )。
A.
编制购货订单
B.
编制请购单
C.
检验购入货物的数量、质量
D.
控制存货水平以免出现积压
【简答题】What is the online population of Japan?
【判断题】Among the class, economy is the cheapest type of seats, while first class is the best and most expensive seats.
A.
正确
B.
错误
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