质量相等的甲、乙两车从某点同时开始沿直线同方向运动，甲以一定_爱下问搜题

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质量相等的甲、乙两车从某点同时开始沿直线同方向运动，甲以一定的功率加速，乙做匀加速运动。经过t时间，甲、乙速度相同，设两车所受阻力相等且为恒力，则[ ]

A．t时刻甲车一定在乙车的前面

B．t时刻甲车加速度大于乙车加速度

C．t时间甲车的瞬时功率大于乙车的平均功率

D．t时刻甲车的平均功率大于乙车的瞬时功率

答案

AC

完形填空

Americans are        about an international sporting event now taking place in the United States. It is the biggest women's soccer       in the world, the World Cup. The game Americans call soccer, is known around the world as       . And more and more Americans are learning to     it. Only in the last 35 years, large numbers of young Americans have become      in soccer. Baseball and basketball are still popular professional sports,       American boys and girls love to play soccer.
The United States Soccer Federation is the major soccer      in the country. It says more than eighteen million people play soccer in the United States. This means that      Americans play soccer than any other sport.
      , more people in the United States are watching soccer, too. They are attending the 3rd Women's World Cup games that are       in several American cities. 460,000       have been sold for the three-week contest that will end July tenth.
Women's soccer teams from 16 nations are      . Americans are closely       the progress of the United States' Women's World Cup team. And the team is already setting       . On June 19, the American team       Denmark in the opening game. Almost 79,000 people watched the game at Giant Stadium near New York City. That is a world record.
One of the most popular players       the American team is 27-year-old Mia Hamm. She became well known in 1996 when the United States women won the soccer       medal at the Olympic Games, defeating other teams. Experts say Mia Hamm can play soccer better than       woman in the world. She has scored more goals than any man or woman ever to play international soccer. Mia Hamm is a       to many young American girls. Television       say that at present thousand million people around the world are watching the game on television.

B．disappointed

D．organization

A．In the past

B．In the future

B．to be played

C．being played

A．taking place

C．taking part

A．broadcasters

名词解释

孔望山摩崖造像