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【单选题】
下列有的说法正确的是________。A.
一棵二叉可以小于2
B.
二的度为2
C.
二中任一个结点的度都为2
D.
二中至少有一个结点的度为2
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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
【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?
【单选题】Children mustn' t play with matches because ______.
A.
matches bum paper
B.
it isn' t interesting
C.
they can be dangerous
D.
they can bum a house
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