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【判断题】
在光栅衍射实验中,使用规格为600条/mm光栅,可以观察到汞灯的3级衍射谱。A.
正确
B.
错误
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举一反三
【简答题】1) 12. A ) Taking a vacation abroad . B ) Reviewing for his last exam . C ) Saving enough money for a rainy day . D ) Finding a better way to earn money . 2) 13. A ) Preparing for his final exams . B ...
【单选题】As a war reporter, Jenny went through a lot of adventurous ______, which contributed to her rich _____ in her job. [ ]
A.
experience; experience
B.
experiences; experience
C.
experience; experiences
D.
experiences; experiences
【简答题】什么情况下我们要使循环永远为真?
【简答题】用wealthy, rich或wealth填空。 1. How I wish to become a ____ man! 2. He is a teacher of ____ experience. 3. Her personal _____ is estimated at around ~100 million.
【单选题】With her rich _________ in teaching, she is sure to improve the students' performance.
A.
visit
B.
ticket
C.
experience
D.
tired
E.
exciting
F.
on foot
【简答题】PCB设计工程项目文件的后缀名为*.________,原理图文件的后缀名为*.________。
【单选题】Her rich experience gave her an advantage over other __________ for the job.
A.
accountants
B.
acquaintances
C.
applicants
D.
agent
【单选题】It is her rich social experience that makes her so_______.
A.
sophisticated
B.
complex
C.
complicated
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