Could you please help me to answer these questions?

1. The on-line catalog is a computerized index of
A. books in a library.
B. library telephone numbers.
C. library patrons.
D. reference librarians.


2. What is one problem you should keep in mind when researching information on the Internet?
A. Information is seldom available on the Internet.
B. Library staff usually keep Internet computers locked.
C. Information found on the Internet may be unreliable.
D. You should avoid using search engines when you're searching for information on the Internet.


3. The Dewey decimal system is the classification system used by
A. scientific articles in magazines.
B. the Internet.
C. most research and university libraries.
D. most public libraries in the United States.

1. A
2. C
3. D

1. A
2. C
3. D answer's on page 16
it says "This system is used by universities
and research libraries." Report It

I would say ...

1. A
2. C
3. C and/or D - most libraries use the Dewey decimal system

What grade is that? Seems childish, you should know these answers.

This is easy stuff and you should know all of this.'

1.A
2.C
3.D

Answers as follows: 1 - A, 2 - C (but my experience has been that most info is reliable), and 3 - D (except that I have never known a library to not use the Dewey decimal system, and I am old enough to be your grandfather).

1). A
2). C
3). D

1 is A.
2 is C.
3 is D. The Dewey system is used in on-line or computerized catalogs and in research and university libraries. But those are all public libraries.