A tree rows a new layer of wood__________.

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• 1The story does not say so, but it makes you think that_________.

  A.a tree grows faster when it has a lot of water.

  B.scientists cut down trees to study tree rings.

  C.pine trees form wide rings every year.

  D.the ponderosa pine grows in the Southwest

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• 2Which of the following is NOT true、

  A.People in Yucatan always give right directions.

  B.There are different ways to give directions in different parts of the world.

  C.People in some places give directions in miles, but people in other places give directions in time.

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• 3Where is Yucatan、

  A.In the USA.

  B.In Japan.

  C.In Greece.

  D.In Mexico.

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• 4Greeks give directions by __________.

  A.using street names

  B.using landmarks

  C.leading people the way

  D.giving people a wrong direction

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• 5People in Los Angeles don’t give directions in miles because _________.

  A.they use landmarks in their directions instead of distance

  B.they prefer to lead you the way

  C.they often have no idea of distance measured by miles

  D.they prefer to use body language

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• 6On the whole, this story is about_________.

  A.why tree trunks grow bigger.

  B.why scientists study tree rings.

  C.trees that lived hundreds of years ago.

  D.the ponderosa pines in the American Southwest.

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• 7Why did the scientists study the width of the tree rings、

  A.They want to know how big the tree will grow.

  B.Scientists want to move the pine trees.

  C.The trees depend on rainfall for water.

  D.The rings tell them how much rain has fallen.

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• 8Which of the following does this story lead you to believe、

  A.Young trees have few annual rings.

  B.The trunk of a tree never changes in size.

  C.Trees in the Southwest do not need rain.

  D.The soil in the Southwest it fit for the growth of trees.

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• 9Some middle schools in Australia have banned students from carrying mobile phones _________.

  A.because they are students

  B.when they are free

  C.when they are at school

  D.because they are children

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• 10What does the underlined word “cheat” mean in the passage、

  A.聊天

  B.核对

  C.查询

  D.作弊

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