__________ 查看材料
A. but
B. and
C. because
D. though
An "internal computer" （Para.2 ） is__________ 查看材料
A. a computer used exclusively by one company for its own problems
B. a person’s store of knowledge and the ability to process it
C. the most up to date in home computer a company can buy
D. a computer from the postwar era which is very reliable
If you want to become a doctor， you ought to study________
A. medicine
B. the medicine
C. Literature
D. the literature
Lying in hospital， the patient __________ the outside world by watching news programs on
A. kept in touch with
B. faced up
C. turned the clock back
D. slowed down
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