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【判断题】
一棵二的结点的前序遍历和后序遍历与它相应二的结点前序遍历和后序遍历是一致的。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】Java 语言中,定义子类时,使用关键字 _____ 来给出父类名
【单选题】But from the start of their experiments, the Wright brothers found that they needed money to pay ______ their research.
A.
back
B.
down
C.
for
D.
off
【简答题】唾液的作用主要?
【单选题】____________ Monday ____________ Friday, we go to school. [ ]
A.
From, for
B.
From, to
C.
Start, to
【单选题】The( )of logistical work involves all aspects of managing customer requirements from initial order receipt,delivery, invoicing, and collecting.
A.
inventory
B.
transportation
C.
warehousing
D.
order processing
【简答题】Java语言中,定义子类时,使用关键字 来继承父类。
【单选题】People start “counting nine” from _________.
A.
Start of Winter
B.
Winter Solstice
C.
Start of Spring
D.
Spring Festival
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