The whole passage implies that _________

A.the computer' s memory has a little bigger capacity than a teenager' s

B.the computer' s memory capacity is much smaller that an adult human being' s

C.the computer' s memory capacity is much smaller even than a teenager' s

D.both A and B

A.the basis for decision making and problem solving

B.an ability to store experiences for future use

C.an intelligence typically possessed by human beings

D.the data mainly consisting of words and combinations of words

A.the greenhouse effect

B.the burning of fossil fuels

C.the potential effect of air pollution

D.the likelihood of a new ice age

A.raising the world' s temperature only a few degrees would not do much harm to life on earth

B.lowering the world' s temperature merely a few degrees would lead many major farming areas to disaster

C.almost no temperature variations have occurred over the past decade

D.the world' s temperature will remain constant in the years to come

A.slip into B.make up for

C.set up D.catch up with

A.shares the same view with the scientists

B.is uncertain of its occurrence

C.rejects it as being ungrounded

D.thinks that it will destroy the world soon

A.caused widespread damage in the countryside

B.affected the entire eastern half of the United States

C.had damaging effect on health

D.existed merely in urban and industries areas

A. jumping

B. five track and field events

C. throwing

D. ten track and field events

A. before he was nine years old

B. when he was 16 years old

C. when he was 24 years old

D. before his parents passed away

A. fishing

B. hunting

C. swimming

D. singing