问题 单项选择题

离心泵容积损失因输送液体的粘度增加,致使泵内各部密封间隙的泄漏量减少而下降。但总的来说,泵的效率还是()。

A.上升

B.下降

C.不变

D.不一定

答案

参考答案:B

阅读理解

Cannes will rock to the sound of a cancan dance this year when Moulin Rouge by the Australian director Baz Luhrmann opens the French film festival (电影节) in May. The musical stars Nicole Kidman as a singer, and John Leguizamo as the artist Henri de Toulouse-Lautrec. It will be competing for the Palme d'Or, the festival's top prize. The festival runs to May 21.

The American actor Tommy Lee Jones, 54, has married his longtime girlfriend, Dawn Maria Laurel, 36, in a private wedding in San Antonio. "It wasn’t a big to-do, ‘said Fred Biery, a U. S. District Judge who performed the service. He refused to discuss things further. "These are very private people," he said.

Loretta Lynn is being treated for a very bed cold in Tennessee and will miss several appearances. The country singer, 65, was admitted to a hospital near her home in Hurricane Mills. "She is in good condition, but the doctors are watching her closely," a spokeswoman said.

The French-Algerian singer Enrico Macias was named a United Nations peace messenger. Enrico joins eight other people who act as goodwill envoys (使者) for the United Nations, among them are the writer Elie Wiesel and the basketball player Magic Johnson.

73. We can learn from the text that Henri de Toulouse-Lautrec is ______

A. a figure in a film         B. a dancer in a show

C. a country singer                    D. a prize winner

74. We know from the text that_______.

A. Moulin Rouge won the top prize in a film festival

B. Loretta Lynn is under the doctors’ care

C. eight people serve as the UN goodwill envoys

D. Fred Biery was Tommy Lee Jones’assistant

75. This text most probably appears in_____.

A. a book on film stars         B. a film review in a magazine

C. a newspaper              D. a notice

单项选择题