According to the passage, people could reduce the chance of suffering heart attack by ____. 

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• 1Which of the following groups of human beings would probably show the greatest amount of allelomimetic behavior、

  A.A group of students taking a test.

  B.Tennis players competing in a tournament.

  C.A patrol of soldiers scouting for the enemy.

  D.Drivers waiting for a traffic light to chang

  E.

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• 2According to the passage, what happens to the behavior of rodents when they are artificially crowded together、

  A.Their allelomimetic behavior increases.

  B.Continuous cooperation between them is maintained.

  C.They become aggressive and attack each other.

  D.They show little allelomimetic behavior. 

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• 3According to the passage the primary function of allelomimetic behavior in bird is to ____.

  A.defend nests against predators

  B.look at each other

  C.locate prey

  D.warn against predators 

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• 4Which of the following is the most clear example of allelomimetic、

  A.Bears hunting for carnivores.

  B.Cattle fleeing from a fire.

  C.Horses running at a racetrack.

  D.Dogs working with police officers. 

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• 5The author implies that allelomimetic behavior occurs most often among animals that ____.

  A.prey on other animals 

  B.are less intelligent than their enemies

  C.move in groups 

  D.have one sense organ that dominates perception 

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• 6High cholesterol foods include ____.

  A.eggs, meats and milk products

  B.potatoes, green vegetables and tomatoes

  C.corn, wheat and beef

  D.sugar, rice and butter 

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• 7Some scientists believe that there is no evidence that cholestrol in food is directly linked to ____.

  A.blood disease

  B.heart disease 

  C.infectious disease

  D.mental disorder 

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• 8Medical scientists believe that ____.

  A.tests have been designed to settle the cholesterol dispute

  B.drugs have been tested to reduce the amount of the substance in blood

  C.low cholesterol foods or anticholesterol drugs or both can reduce thechance of a heart attack 

  D.none of the statements mentioned above is correct 

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• 9Which of the following statements in NOT true、

  A.One can avoid a heart disease by eating less foods with little cholesterol. 

  B.One can avoid a heart disease by taking the doctor's advice to eat low cholesterol foods and anticholesterol drugs or both. 

  C.There has been good scientific evidence that cholesterol foods can produce the chance of suffering a heart disease. 

  D.People usually believe that cholesterol foods are directly linked to heart diseas

  E.

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• 10What is the main idea of the passage、

  A.During the 1970's, old buildings in many cities were recycled for modernuse. 

  B.Recent interest in ecology issues has led to the cleaning up of many rivers.

  C.The San Antonio example shows that bulldozers are not the way to fight urban decay.

  D.Strong government support has made adaptive rehabilitation a reality inBoston. 

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