A scientist in a laboratory developing plans for a space station.
A technical writer sending via computer documents created at home.
A computer technician repairing an office computer network.
A teacher directing computer-assisted learning in a private school.
第1题：
1999
1980
1950
1990
第2题：
A
B
C
D
第3题：
A
B
C
D
第4题：
Hi, Fred, how do you do?
Hi, Fred, I'm very well,thanks.
Yes, I do.
No, I don't.
第5题：
on account of
with a view to
in regard to
as a result of
第6题：
A
B
C
D
第7题：
A
B
C
D
第8题：
will come
come
comes
came
第9题：
第10题：
tend to mourn the pop stars who died of overdose as role models
are shocked to know even pop stars may abuse drugs
try to face the deadly effect of drug use
may stop abusing drugs