The holly plant has more spines on the lower leaves because most animals      .

试卷相关题目

• 1This passage mainly tells readers ___________.

  A.what happens on the opening day of the Sahara Festival

  B.how people celebrate during the three-day Sahara Festival

  C.what takes place at the closing ceremonies of the Sahara Festival

  D.how animals race on the first and the last days of the Sahara Festival

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• 2The underlined word “finale” in the fourth paragraph most probably means the      of the opening day.

  A.first part

  B.middle

  C.last part

  D.whole

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• 3Before the races begin,      take part in the activities during the opening ceremonies.

  A.musicians, dancers, horses and hares

  B.camel riders, musicians, dogs and hares

  C.horsemen, dancers, camels and dogs

  D.musicians, officials, camels and horses

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• 4The Sahara Festival is a festival which        .

  A.has a very long history in North Africa

  B.is held in the same place on the same day

  C.is attended mainly by the people in the Sahara

  D.is celebrated mostly by travelers from different countries

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• 5The purpose of the speaker is          .

  A.to satisfy the customers’ various tastes

  B.to keep the authors in the cinema bookstore

  C.to offer the tourists chances to meet the film stars

  D.to take the readers into film producers

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• 6To defend themselves ,oak trees use        .

  A.chemical means

  B.physical means

  C.bitter chemicals

  D.sandy materials

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• 7How does tobacco protect itself against an attack from a caterpillar、

  A.Its leaves fight against the attack by physical means.

  B.Its roots send a messenger to discourage the caterpillar.

  C.Its roots increase the production of nicotine when it is attacke

  D.D.Its leaves produce poisonous sand to drive the caterpillar away.

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• 8What would be the best title for this passage、

  A.Plants and Animals

  B.How Plants Defend Themselves

  C.Attacks and Defenses

  D.How Animals Eat Plant Leaves

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• 9From the fourth paragraph ,we can infer that      .

  A.a great many nuclear weapons were actually used for war

  B.a large number of nuclear weapons should have been used for war

  C.the author is doubtful about the ruin of human beings by nuclear weapons

  D.the author is anxious about the huge number of nuclear weapons on the earth

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• 10The underlined word “mingled” in the last paragraph most probably means    .

  A.simple

  B.mixed

  C.sad

  D.happy

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