The passage focuses on _____________.

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• 1According to the announcement, a validated identification card is required to __________.

  A.ride on intercampus buses

  B.read announcements in the cafeteria

  C.make use of the infirmary

  D.check books out of' the library

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• 2According to the announcement which of the following is true of special summer hours for the library、

  A.It has them only on the weekends.

  B.It has them both weekdays and weekends.

  C.It has no special summer hours.

  D.The information is not availabl

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• 3Times for movies and concerts are not listed in this announcement because ______________.

  A.film or concert occurs every Wednesday at 7 p. m.

  B.the full list would be too long

  C.films and concerts cannot be announced publicly

  D.the full list is not ready yet

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• 4Specific schedule revisions for which of the following facilities are listed in this announcement、

  A.Athletic and recreational.

  B.Food and transportation.

  C.Bookstore and post office.

  D.Medical and audio-visual.

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• 5Which of the following is the main purpose of this announcement、

  A.To tell campus personnel of the new library services.

  B.To announce the new movies on campus this summer.

  C.To notify university people of important schedule changes.

  D.To remind the students to validate their identification cards.

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• 6It is believed that a new technique to _________ will probably be found.

  A.recycle old aluminum products

  B.discover more bauxite ores

  C.make aluminum by putting ore particles under water

  D.take out aluminum magnetically from poorer ores

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• 7In the second paragraph the word "paramagnetic" means ___________.

  A.slightly magnetic

  B.a weak magnetic field

  C.a strong magnetic substance

  D.the under-water magnetic power

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• 8By immersing ore particles in water, ____________.

  A.we can get ore particles of equal size

  B.we can purify aluminum particles

  C.we can filter out aluminum

  D.we can improve the working conditions around

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• 9We understand from the passage that the United States ____________.

  A.is rich in low-grade aluminum-beating ores

  B.is short of aluminum-making techniques

  C.has to import ninety percent of its annual need of aluminum

  D.has to produce fifty percent of the world's supply to meet its annual aluminum demand

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• 10What kind of person needs this service、

  A.A doctor.

  B.A policeman.

  C.The sick.

  D.A student.

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