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【单选题】
可导致慢性肝炎或肝硬化的病毒为A.
HCV、HDV和HEV
B.
HEV、HAV和HBV
C.
HDV、HEV和HAV
D.
HAV、HBV和HCV
E.
HBV、HCV和HDV
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反馈参考答案：
举一反三
【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。
【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
【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
【单选题】_________ is said that most teenagers have problems such as Li Ming’s.
A.
That
B.
This
C.
It
D.
She
【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
【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)
【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
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