33 When did the Orbiter's problem begin? A Right after it left for Mars. B Right after it landed on Mars. C When it got near Mars. D When it returned to Earth. 答案：C
职业培训教育网名师解析：第二段中提到：However，when the Orbiter got near Mars，something terrible happened. 因此选择C。
34 What caused the Orbiter's problem?
A Scientists used wrong guidelines of mathematics.
B Scientists used wrong building materials. C Scientists used different measurement systems. D Scientists used different operating systems. 答案：C
职业培训教育网名师解析：第三段讲解了飞行器出现问题的原因，即英美米制的不同。
35 Why didn't NASA scientists identify the problem before the Orbiter left for Mars?
A They didn't know the English system. B They were tired from working long hours. C They were sure of the success of the trip. D They didn't get enough research funding. 答案：B
职业培训教育网名师解析：第五段首句的问题即是题干中所问的问题，在段尾给出T答案：...they were very tired from working long hours.
第二篇
The Development of Ballet
Ballet is a dance form that has a long history. The fact that it survives to this day shows that it has adjusted as times have changed.
Ballet began in the royal courts during the Renaissance. At that time it became common for kings and queens, as well as other nobility (贵族)，to participate in pageants that included music, poetry,, and dance. As these entertainments moved from the Italian courts to the French ones, court ladies began participating in them. Though their long dresses prevented much movement, they were able to perform elaborate (复杂的)walking patterns, it was not until the 1600s that women dancers shortened their skirts, changed to fiat shoes, and began doing some of the leaps and turns performed by men.
It was also in the 1600s that professional ballet began. King Louis XIV of France, himself a devoted dancer, founded the Royal Academy of Dance. The five basic feet positions from which all ballet steps begin were finalized. In the late 1700s another important change occurred。Ballet began to tell a story on its own. It was no longer simply dance to be performed between acts of plays. Elaborate wigs (假发)and costumes were eliminated. By the early 1800s dancers learned to rise on their toes to make it appear that they were floating.
Classical ballet as we know it today was influenced primarily by Russian dancing. The Russians remained Interested in ballet when it declined in other European countries in the mid-1800s. One of the most influential figures of the early 20th century was Sergei Diaghilev. His dance company, the Ballets Russes, brought a new energy and excitement to ballet. One of his chief assistants, George Balanchine, went on to found the New York City Ballet in 1948 and to influence new generations of dancers.
36 This passage deals mainly with______. A famous names in ballet B Russian ballet
C how ballet has developed
D why ballet is no longer popular 答案：C
职业培训教育网名师解析：全文都在讲芭蕾的发展历程。 37 The word “pageants” in Paragraph 2 means______. A dances B instructions
C royal courts D big shows 答案：D
39 Who had an important influence on early ballet? A Balanchine. B Antoinette. C Diaghilev. D Louis XIV. 答案：D
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