单项选择题

A．Computers are commonly and widely used in home and offices nowadays.
B．Computers are easily to be attacked.
C．Adopting good computing practices is a good advice to protect the computer.
D．The viruses are too fearful, computer is not safe any more.
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单项选择题
A．A small private church-owned university in the state.B．A small public university in other states.C．A big private school in Europe.D．A big public university in New York.
A．A small private church-owned university in the state.
B．A small public university in other states.
C．A big private school in Europe.
D．A big public university in New York.
单项选择题
A．Because everyone wore her best clothes.B．Because the classroom had never been a studio.C．Because the speaker was going to be well known.D．Because it involved a lot of equipment and workers.
A．Because everyone wore her best clothes.
B．Because the classroom had never been a studio.
C．Because the speaker was going to be well known.
D．Because it involved a lot of equipment and workers.
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