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【简答题】
虚拟机的功能有哪些?() A虚拟机支持内置容错功能。 B虚拟机可以用来托管文件服务器、数据库服务器、电子邮件服务器以及高性能应用服务器中的任何 应用。 C虚拟机可从一台主机移到另一台主机。 D使用虚拟机，管理员无需重新启动虚拟机即可减少资源。
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举一反三
【简答题】According to Herron, after having the surgery, the recovery time ______ from person to person.
【单选题】A patient is having elective surgery tomorrow. They just decided they do not want the surgery. What should the nurse do?
A.
Notify the doctor.
B.
Tell the patient they must have the surgery.
C.
Notify the family.
D.
Explain that the patient cannot change their mind.
【单选题】After having the weight loss surgery, a person will not suffer from obesity any more.
A.
Y
B.
N
C.
NG
【单选题】The text is mainly about
A.
the advantage of having cosmetic surgery.
B.
what kind of people should have cosmetic surgery.
C.
the reason why cosmetic surgery is so popular.
D.
the disadvantage of having cosmetic surgery.
【简答题】A person who thinks about having weight loss surgery should find ______ bariatric surgeon.
【单选题】分组交换中“虚电路”是指
A.
并不存在任何实际的物理线路
B.
在逻辑上的一条假想的线路，实际上并不能使用
C.
以频分复用方式使用的一条线路
D.
以时分复用方式使用的一条线路
【单选题】听力原文：M I'll be having back surgery in November and expect to be limited in my mobility for several months. What kind of services can I receive from the clinic while I'm recuperating? W OK, to begin wi...
A.
His back
B.
His foot
C.
His knee
D.
His heart
【单选题】在最小函数依赖集F中,下面叙述不正确的是( )
A.
F中的每个函数依赖的右部都是单属性
B.
F中的每个函数依赖的左部都是单属性
C.
F中没有冗余的函数依赖
D.
F中的每个函数依赖的左部没有冗余属性
【单选题】在最小函数依赖集F中,下面叙述不正确的是( )。
A.
F中的每个函数依赖的右部都是单属性
B.
F中的每个函数依赖的左部都是单属性
C.
F中没有冗余的函数依赖
D.
F中的每个函数依赖的左部没有冗余的属性
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