折算率是由交易所会同证券登记结算机构根据国债利率及（），对所有在交易所上市的国债现货

lifeelsewhere in the universe.

A) appealed

B) implemented

C) involved

D) intrigued

The passage implies that______.

A．black Americans were forced to fight in World War I

B．black Americans served in the military for a good life

C．Americans have been ignorant of the fact that blacks have played in America's military history

D．black Americans went into war because of their courage

of counting.

A．have been many

B．them have been many

C．many

D．when many

of counting.

A．have been many

B．them have been many

C．many

D．when many

f their development: The history of the American people is,【21】, the history of the movement of the American people. They moved from the colonies of the East Coast to the open space of the【22】. They moved from the country and the farm to the city.【23】, Americans have been moving from the cities to the suburbs.

Pioneer Americans began【24】from the East Coast to the West 250 years ago. They moved west for many reasons.【25】reason was that they could obtain【26】open space and land【27】farming. Americans liked large open spaces, and they liked the freedom and independence to【28】the land in their own way. Some of the land became farms. Important minerals were discovered in some areas, so some of the land became【29】. Other large areas became farms and cattle ranches. There seemed to be enough land for everybody. But it was a difficult life--【30】of endless work and hardship.

(46)

A．with part

B．of part

C．in part

D．on part

We can learn from the passage that Americans have a history of ______.

A．undervaluing intellect

B．favoring intellectualism

C．supporting school reform

D．suppressing native intelligence

We can learn from the text that Americans have a history of______.

A．undervaluing intellect

B．favoring intellectualism

C．supporting school reform

D．suppressing native intelligence

We can learn from the text that Americans have a history of______.

A．undervaluing intellect

B．favoring intellectualism

C．supporting school reform

D．suppressing native intelligence

Many Americans are interested in China because ______.

A．they want to come here to take part in the 2008 Olympic Games

B．they have learned something of China and they want to learn more

C．great changes have been taking place in China

D．China has a "great history" and an "unbelievably exciting future"