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【简答题】
对于一个堆栈，若其入栈序列为1，2，3，…，n，不同的出入栈操作将产生不同的出栈序列。其出栈序列的个数正好等于结点个数为n的二叉树的个数，且与不同形态的二叉树一一对应。请简要叙述一种从堆栈输入(固定为1，2，3，…，n)／输出序列对应一种二叉树形态的方法，并以入栈序列1，2，3(即n=3)为例加以说明。【浙江大学1998五、1(7分)】
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举一反三
【单选题】关于真菌的抵抗力,不正确的是
A.
对干燥、阳光和紫外线抵抗力较强
B.
对一般消毒剂抵抗力较强
C.
耐热，600C 1小时不会被杀
D.
对抗细菌的抗生素不敏感
E.
灰黄霉素、制霉菌素和两性霉素
【多选题】Which of the following steps are necessary in order to add a new VLAN to the Ezonexam switched network? (Select all that apply)
A.
Create the VLAN.
B.
Name the VLAN.
C.
Configure an IP address for the VLAN.
D.
Add the desired ports to the new VLAN.
E.
Add the VLAN to the VTP domain.
【单选题】The word 'notwithstanding' in line 8 is closest in meaning to ______.
A.
in spite of
B.
in addition to
C.
as a result of
D.
as a part of
【多选题】Which of the following steps are necessary in order to add a new VLAN to a switched network?（）
A.
Create the VLAN.
B.
Name the VLAN.
C.
Configure an IP address for the VLAN.
D.
Add the desired ports to the new VLAN.
E.
Add the VLAN to the VTP domain.
【单选题】That is the very coin I need to ____ my collection. [ ]
A.
add up
B.
add in
C.
add on
D.
add to
【多选题】关于真菌的抵抗力的描述正确的是
A.
对干燥、阳光和紫外线有较强的抵抗力
B.
对一般消毒剂比较敏感
C.
耐热，60℃1小时不能被杀死
D.
对抗细菌的抗生素均不敏感
E.
灰黄霉素、制霉菌素B可抑制真菌生长
【单选题】关于真菌的抵抗力,正确的一项是( )
A.
对干燥、阳光和紫外线有较强的抵抗力
B.
对一般消毒剂有较强的抵抗力
C.
耐热,60℃1小时不能被杀死
D.
对抗细菌的抗生素均不敏感
【简答题】In order to know if you can make a return on your investment，assess how you can add to the company you are buying．
【多选题】Which of the following steps are necessary in order to add a new VLAN to a switched network? (Select all that apply.)
A.
Create the VLAN.
B.
Name the VLAN.
C.
Configure an IP address for the VLAN.
D.
Add the desired ports to the new VLAN.
E.
Add the VLAN to the VTP domain.
相关题目：
【单选题】That is the very coin I need to ____ my collection. [ ]
A.
add up
B.
add in
C.
add on
D.
add to
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