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【单选题】
中红外光区波长范围是( )A.
50～1000μm
B.
2.5～50μm
C.
0.76～2.5μm
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【简答题】4 A.Where matches take place. B.Where protests may take place. C.In downtown Vancouver. D.Around the athletes' village.
【简答题】理想集成运放两输入端 ,输入电流 .
【单选题】Children mustn't play with matches because ______.
A.
matches burn paper
B.
it isn't interesting
C.
they can be dangerous
D.
they can burn a house
【简答题】The English language started with the invasion of Britain by three Germanic tribes during the 5th century AD, and they greatly to the formation of the English language. ( contribute )
【判断题】以Y理论为指导,管理者的重要任务是创造一个使人得以发挥才能的工作环境,发挥出员工的潜力,使员工在完成组织目标的同时也达到个人目标;对人的激励也主要是给予来自工作本身的内在激励,让员工担当具有挑战性的工作,满足其自我实现的需要。
A.
正确
B.
错误
【单选题】Paragraph 4 __________ 查看材料
A.
Where do hurricanes usually happen?
B.
What damages can a hurricane cause?
C.
What should you do during a hurricane?
D.
What is a hurricane?
E.
What are different names of hurricanes?
F.
How do you know a hurricane is coming?
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