第1题:
teach the dog to perform clever tricks
make the dog aware of its owner’s authority
provide the dog with outlets for its wild behavior
enable the dog to regain its normal behavior
第2题:
language is a product of the brain
language is a system of meaningful codes
sign language is derived from natural language
sign language is as efficient as any other language
第3题:
if people can return to the “golden age”
when women and men enjoy equal rights
when people rid themselves of prejudice
if less emphasis is laid on material things
第4题:
第5题:
第6题:
Yes, because they are faster.
No, because they cost more.
Yes, because they are very good.
No, because they don’t operate outside the United States.
第7题:
Because there are no signs to direct them.
Because no tour guides are available.
Because all the buildings in the city look alike.
Because the university is everywhere in the city.
第8题:
第9题:
第10题:
Adults giving a lift to teenagers on the highway after 10 p.m.
A teenager driving after midnight with passengers in the car.
Adults driving with three or more teenage passengers late at night.
A teenager getting a lift from a stranger on the highway at midnight.
第11题:
wanted to be an example of practicality and rationality
intended to be a combination of engineer and humanist
wanted to coordinate engineering with liberal-arts courses in college
intend to be a sensible student with noble ideals
第12题:
It is now partly accessible to civilian scientists.
It has been replaced by a more advanced system.
It became useless to the military after the cold war.
It is indispensable in protecting endangered species.
第13题:
shows little interest in tapping oil in ANWR
expects to stop oil imports from Saudi Arabia
tends to exaggerate America’s reliance on foreign oil
believes that drilling for ANWR will produce high yields
第14题:
第15题:
it will drain the oil reserves in the Alaskan region
it can do little to solve U.S. energy problem
it can cause serious damage to the environment
it will not have much commercial value
第16题:
第17题:
the sophisticated technology of focusing sounds under water
the capability of sound to travel at high speed
the unique property of layers of ocean water in transmitting sound
low-frequency sounds traveling across different layers of water
第18题:
bow much pressure you are under
how positive events can change your life
how stressful a major event can be
how you can deal with life changing events
第19题:
第20题:
第21题:
A rescuer on the Golden Gate Bridge.
A professional diver.
A telephone operator.
A guard on the Golden Gate Bridge.
第22题:
By decorating our homes.
By being kind and generous.
By wearing fashionable clothes.
By putting on a little make-up.
第23题:
第24题: