单项选择题

What is the most common type of computer network used in companies

A．The databases of information.
B．The public access networks.
C．The super computer networks.
D．Intranets.
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单项选择题
What will the library do if a reader fails to renew the video when it is due
A．Discard his application form.
B．Forbid him to borrow any items.
C．Ask him to apply again.
D．Cancel his video card.
单项选择题
Teachers are different in their opinions about
A．the difficulties in teaching spelling.
B．the role of spelling in general language development.
C．the complexities of the basic writing skills.
D．the necessity of teaching spelling.
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