4．关于地球同步通讯卫星，下述说法正确的是　　 　　　　　　　　　　　　　　　　　　　　　　　 (　　 )

　　　 A．若将同步卫星韵质量增加一倍，其同步轨道半径将变为原来的2倍

　　　 B．同步卫星绕行速度为7．9km／s

　　　 C．同步卫星相对地面处于静止，所以能利用它进行电视转播　　

　　　 D．如果同步卫星距地面的高度发生了变化，它仍能与地球同步

3．如图，静止在地球上的物体都要随地球一起转动，

a是位于赤道上的点，b是位于北纬30°的点，

假设地球是理想球体，下列说法正确的是　　 　　　　　　　　　　　　　　　　　　　　　　　　 (　　 )

　　　 A．a、b两点的运动周期相同

　　　 B．a、b两点的角速度不相同

　　　 C．a、b两点的线速度大小之比为

　　　 D．a、b两点的线速度大小之比为2：

2．一小船沿图中虚线过河，已知虚线与岸的夹角为，

水的流速恒为V_水，则船垂直岸的分速度为(　　 )

　　　 A．V_水sin　　 　　　 B．V_水cos

　　　 C．V_水tan 　　　　 D．V_水cot

1．上海世博会打造“绿色世博，生态世博”宗旨，倡导“低碳”理念，有关这一理念的下列说法正确的是　　　　　　　　　 　　　　　　　　　　　　　　　　 (　　 )

　　　 A．既然能量是守恒的，不可消灭，所以我们不必要节约能源

　　　 B．利用太阳能、风能等能源代替煤、石油等能源能改善地球环境

　　　 C．燃料燃烧时一旦把自己的热量释放出去，可以再次自动聚集起来供人类重新利用

　　　 D肩邑源的利用是有条件的，也是有代价的，所以我们要节约利用能源

67. What is the best title of the story?

A. Narrow Victory

B. Pitiful Failure　

C. Gold Medal for His　 Dearest Wife

D. Strongest Man of the World

答案 　CCAC

66. It can be inferred from the story that _____.

A. Steiner was inspired by his unfortunate wife to win the gold medal

B. Chigishev was also the strongest in the second event

C. it is hard to get a German citizenship

D. Steiner was determined to win the medal for the German team

65. The following statements are true except ______.

A. Steiner beat Chigishev by one kilogram

B. Chinese weightlifting team won eight of the 15 gold medals at this year’s Games

C. Steiner didn’t get the passport until last February

D. Steiner got a bronze in the 2008 European Championship +105kg clean and jerk competition

64. Four years ago at the Athens Olympics Steiner represented ______.

A. Australia　　　　　 B. Germany　　　　　 C. Austria　　　 　　　　D. Russia

44. According to the passage, we may draw a conclusion about Phelps that”.

　 　　 A. Success=physique +huge diet +faulty glasses +family

　 　　 B. Success=huge diet +swimsuit +family +practice

　 　　 C. Success=physique +swimsuit +huge diet +luck

　 　　 D. Success=huge diet +family +practice +large feet

答案 　DCDC

Passage 31

(北省黄冈市黄州区一中2010届高三第二次月考)

C

One kilogram--that was all it took to crown(给……加冕) the world's strongest man.

German weightlifter Matthias Steiner pulled ahead of Russian rival Evgeny Chigishev to win the Olympic men's +105 kg weightlifting gold medal on Tuesday.

Steiner lifted a total of 461kg, 203kg in the snatch(抓举) and 258kg in the clean and jerk(挺举), to beat Chigishev by a single kilogram. The German won the battle of giants in his last lift, winning his country's first gold medal in the event at this year's Games.

Steiner's winning lift was also the last effort of the sport for this Olympics at which China earned eight of the 15 golds.

Steiner was born in Austria and represented his country of birth at the Athens Olympics four years ago, placing seventh in the lower 105kg category, but had a falling out with Austria's weightlifting federation afterwards.

He applied for German citizenship in 2005 and got married, but his career went into deep freeze(困境)as he could not compete without a passport. He finally obtained the document last January.

The German, who turns 26 on Monday, had come to these Games on a mission to win the title for his wife Susann, who died in a car accident in July last year. The German team said he used the personal tragedy to motivate himself to win the gold medal.

Chigishev was the strongest in the snatch session Tuesday. He kissed his fists after a 210-kg lift that gave him a 7-kg advantage over fourth-placed Steiner going into the second event -- the clean and jerk. He let out a victorious roar after clearing 250 kg in his last lift, but the glory was short-lived as Steiner stunned(使瞠目)everyone with his final, winning clean and jerk effort.

Steiner had finished seventh in the 2004 Olympics in the 105kg weight category, and took the gold in the 2008 European Championship +105kg snatch competition, bronze in the clean and jerk and silver overall, with a total weight of 446kg.

World champion Viktors Scerbatihs of Latvia settled for bronze.

43. Phelps is said to　　　　　　　 .

　 　　 A. be called the flying fish all over the world

　 　　 B. have set up the new record for most gold medals in the Olympics

　 　　 C. have broken the world records of till the games he competed in

　 　　 D. have a large amount of food every day