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Suppose that Rebecca throws her soda bottle out the car window and it smashes on the road. Jim drives over the broken glass and gets a flat tire. Rebecca’s soda consumption has resulted in（）

A．the production of a public good

B．an externality

C．monopoly power for Rebecca

D．greater efficiency in consumption

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第1题

"What is the width of this cupboard？" Rebecca asked her sister.wideRebecca asked her siste

"What is the width of this cupboard？" Rebecca asked her sister.

wide

Rebecca asked her sister ____________________ was.

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第2题

What did the local people think the soda bottle was？A．A message from the outside world.B．A

What did the local people think the soda bottle was？

A．A message from the outside world.

B．A warning from the gods.

C．A symbol of misfortune.

D．A gift from the gods.

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第3题

Rebecca is a very careful girl _____ her brother is very careless.A.whileB.andC.soD.whe

Rebecca is a very careful girl _____ her brother is very careless.

A.while

B.and

C.so

D.when

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第4题

听力原文： A recent film The Gods Must Be Crazy described the social change that can result

in a society from the introduction of a single item from the outside world. While a pilot was flying in a light plane over a remote desert in south Africa, he finished the soda he was drinking and threw the bottle out of the window. It fell to the ground in an area where an African tribe lived. The people there had almost no possessions or sense of private property. No one in the small remote society had seen a soda bottle before. And, because it came from the sky, they believed that it must be a unique gift from the gods. When the bottle was first found, it was something new and people of all ages enjoyed admiring it, playing with it and thinking about its purpose. It was not very long, however, before arguments and conflicts arose among group members about who would possess the bottle and for what purpose. The harmony of this peaceful society was disturbed by the introduction of a new item of technology and, as it was told in the film, ties of affection were broken and people's trust in each other disappeared.

Why did the pilot throw a soda bottle out of his plane window？

A．Because the bottle was empty and useless.

B．Because he wanted to lighten the load of his small plane.

C．Because the bottle might be useful to the native Africans.

D．Because he wanted to amuse the local tribes people.

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第5题

At his current level of consumption, Evan gets twice as much marginal utility from an addi

tional bottle of water as that from an additional bottle of soda. If the price of soda is $1.00 per bottle, then Evan is maximizing utility if the price of a bottle of water is:

A、$1.00

B、$1.50

C、$2.0

D、$0.50

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第6题

Rebecca went to Asia to ______ in 1993.A．spend a holiday with her familyB．climb the highes

Rebecca went to Asia to ______ in 1993.

A．spend a holiday with her family

B．climb the highest mountain

C．look for a new job

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