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【单选题】
假定在一棵二叉树中,度为2的结点数为15,度为1的结点数为30,则点数为 ( )个
A.
15
B.
16
C.
17
D.
47
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举一反三
【单选题】以下哪一项不是合成ABS塑料的材料?()
A.
丙烯腊
B.
丁二烯
C.
苯乙烯
D.
聚丙烯
查看完整题目与答案
【单选题】以下哪一项不是合理的灭火原理?()
A.
窒息灭火
B.
冷却灭火
C.
就近灭火
D.
疏散隔离法
查看完整题目与答案
【单选题】在剪辑过程中,如果需要显示画面安全框和字幕安全框,应如何操作?
A.
Premiere无需显示安全框，会将画面自动匹配到安全框内
B.
在节目窗口点右键，选择“添加标记”
C.
在节目窗口点右键，选择“安全边距”
D.
用Photoshop制作一个安全框的图片，导入到序列中并置于底层。
查看完整题目与答案
【单选题】One use of networks is to let several computers share ______ such as file systems, printers, and tape drives.
A.
CPU
B.
memory
C.
resources
D.
data
查看完整题目与答案
【单选题】●One use of networks is to let several computers share (71) such as file systems，printers，and tape drives. (71)
A.
CPU
B.
memory
C.
resources
D.
data
查看完整题目与答案
【单选题】_________ is said that most teenagers have problems such as Li Ming’s.
A.
That
B.
This
C.
It
D.
She
查看完整题目与答案
【单选题】●One use of networks is to let several computers share (75) such as file systems，printers，and tape drives. (75)
A.
CPU
B.
memory
C.
resources
D.
information
查看完整题目与答案
【多选题】The movements of the flight control surfaces are managed by several computers. These are:
A.
Aileron Computers (ELAC),
B.
Spoiler and Elevator Computers (SEC),
C.
Flight Augmentation Computers (FAC).
D.
Fight Management Guidance Computers (FMGCs)
查看完整题目与答案
【单选题】以下哪一项不是合同终止的原因（ ）。
A.
债务人依法将标的物提存
B.
经双方协议解除
C.
合同抵押物灭失
D.
债权人免除债务
查看完整题目与答案
【单选题】It can be inferred from the passage that ______.
A.
computers were very small several decades ago
B.
babies can do some tasks with the help of computers
C.
more new types of computers will be designed in the future
D.
future computers will make babies grow faster and more easily
查看完整题目与答案
相关题目：
【单选题】以下哪一项不是合成ABS塑料的材料?()
A.
丙烯腊
B.
丁二烯
C.
苯乙烯
D.
聚丙烯
查看完整题目与答案
【单选题】以下哪一项不是合理的灭火原理?()
A.
窒息灭火
B.
冷却灭火
C.
就近灭火
D.
疏散隔离法
查看完整题目与答案
【单选题】在剪辑过程中,如果需要显示画面安全框和字幕安全框,应如何操作?
A.
Premiere无需显示安全框，会将画面自动匹配到安全框内
B.
在节目窗口点右键，选择“添加标记”
C.
在节目窗口点右键，选择“安全边距”
D.
用Photoshop制作一个安全框的图片，导入到序列中并置于底层。
查看完整题目与答案
【单选题】One use of networks is to let several computers share ______ such as file systems, printers, and tape drives.
A.
CPU
B.
memory
C.
resources
D.
data
查看完整题目与答案
【单选题】●One use of networks is to let several computers share (71) such as file systems，printers，and tape drives. (71)
A.
CPU
B.
memory
C.
resources
D.
data
查看完整题目与答案
【单选题】_________ is said that most teenagers have problems such as Li Ming’s.
A.
That
B.
This
C.
It
D.
She
查看完整题目与答案
【单选题】●One use of networks is to let several computers share (75) such as file systems，printers，and tape drives. (75)
A.
CPU
B.
memory
C.
resources
D.
information
查看完整题目与答案
【多选题】The movements of the flight control surfaces are managed by several computers. These are:
A.
Aileron Computers (ELAC),
B.
Spoiler and Elevator Computers (SEC),
C.
Flight Augmentation Computers (FAC).
D.
Fight Management Guidance Computers (FMGCs)
查看完整题目与答案
【单选题】以下哪一项不是合同终止的原因（ ）。
A.
债务人依法将标的物提存
B.
经双方协议解除
C.
合同抵押物灭失
D.
债权人免除债务
查看完整题目与答案
【单选题】It can be inferred from the passage that ______.
A.
computers were very small several decades ago
B.
babies can do some tasks with the help of computers
C.
more new types of computers will be designed in the future
D.
future computers will make babies grow faster and more easily
查看完整题目与答案