A.women do as much work as men
B.people think women are weaker than men
C.sport is easier for men than for women
D.in sport the two sexes are always together
A.What would life be like without memory ?
B.Memory is of vital importance to life.
C.How is a person' s memory different from an animal' s or a computer' s?
D.What is contained in memory ?
A."in connection with" B."expressed by"
C."consisting" D."by means of"
A.only human beings have problem-solving intelligence
B.a person' s memory is different from a computer' s in every respect
C.animals are able to solve only very simple problems
D.animals solve problems by instincts rather than intelligence
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
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