The reason why NASA hopes to carry out at least two moon missions a year stating in 2018 is to ____.

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• 1What will be the astronauts’ top priorities、

  A.Entering the orbit and landing on the moon.

  B.Landing and walking on the moon surface.

  C.Exploration and researches into the moon composition.

  D.Exploration and construction of a moon bas

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• 2How will CEV and the moon lander be launched、

  A.They will be launched separately.

  B.CEV will dock with the moon lander.

  C.They will be launched together.

  D.The moon lander will hold four astronauts.

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• 3How will NASA make its new spaceship、

  A.It will base its design on that of the Apollo program.

  B.It will use parts only from the Apollo program.

  C.It will make use of the Apollo program and the space shuttle.

  D.It will develop new designs and make new components.

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• 4What is new in NASA’s plan to return to the moon by 2018、

  A.People will land and remain on the moon.

  B.Equipment will be carried and installed there.

  C.More CEVs will be made regularly.

  D.A special device will be used in landing.

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• 5Isabel Weiss has also chosen to learn Chinese because ____.

  A.she wants a brighter future

  B.she finds it fun to learn the language

  C.she likes to do business in China

  D.she watches people speak the language

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• 6What is new about the slaves’ stories、

  A.They are told in the slaves’ own voices.

  B.People travel around the world to hear them.

  C.Colored people were sol

  D.D.They happened in the slavery tim

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• 7What is the title of the collection of recordings、

  A.The End of the U.S. Civil War.

  B.The Library of Congress

  C.Voices from the Days of Slavery.

  D.The Recordings of Written Stories.

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• 8How many years did it take to complete the collection of recordings、

  A.26 years.

  B.33 years

  C.44 years

  D.57 years.

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• 9What do the storytellers tell us about、

  A.How they were brought to the United States from Africa.

  B.The release of the collection of recordings.

  C.What happened 60 years after their emancipation.

  D.Their experiences as slaves and their lives as free men and women.

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• 10The recordings differ from written stories in that ____.

  A.the tellers and the government are contributing together

  B.the dialect, the low pitches, and the pauses are more revealing

  C.the hearing and reading both help tell the stories

  D.the power of watching someone write is more engaging.

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