[填空题]

American scientists in variety of disciplines continue to struggle to start ______.

[填空题]The American scientists were planning to cooperate with the Japanese in ______ in order to make use of the supercomputer.

[简答题]American scientists concluded that while daily exercise is most helpful, every other day, three days a week will keep a sufficient level of physical fitness. ( Passage Four)

[单项选择]If the Federation of American Scientists made a list of educational video games, you might expect to find Oregon Trai, the Story of Conestoga Wagons Trekking into the American West, or the geography favorite Where in the World Is Carmen Sandiegol And don’t forget Half-Life 2. That’s the one where you burn alien zombies to death with exploding barrels of fuel.
OK, that’s exaggerating—but only a little. Where parents see hours wasted in front of a screen, these scientists see potential. An FAS study released this week, titled "Harnessing the Power of Video Games for Learning," reports that best-selling games are built in surprisingly pedagogical ways. Players improve at their own pace. Beating a level requires experimentation, failure and learning from mistakes. Most new games can be played online, requiring collaboration and leadership. Game play is precisely calibrated to balance challenge and progress. It’s a stark contrast to a typical classroom in which one teacher tries to eng
A. it is a waste of time to play video games.
B. some video games are beneficial to children.
C. such games as Half-Life 2 is unforgettable.
D. the function of some video games is exaggerating.

[填空题]American black bears (11) in a variety of colors despite their name. In the eastern part of their range, most of these brown, red, or even yellow coats. To the north, the black bear is actually gray or white (12) . Even in the same litter, both brown and black furred bears may be born.
Black bears are the smallest of all American beam, ranging in length from five to six feet, weighing from three hundred to (13) pounds. Their (14) are small and their eyesight and hearing are not as good as their sense of smell. (15) all bears, the black bear is timid, clumsy, and rarely dangerous. But if attacked, most can climb trees and cover ground at great speeds. When angry or frightened, it is a formidable enemy.

[单项选择]Passage TwoA. Stricter internal disciplines should be maintained.
B. More good examples should be set for people to follow.
C. More restrictions should be imposed on people’s behavior.
D. More people should accept the American way of life.

[简答题]Certaines disciplines qui représentent des chances de médailles pour les sportifs franais, seront mises à l’honneur.