Parents with very young children tend to________.．

试卷相关题目

• 1Sleep helps brain to________.

  A.stay up till the early hours of the morning

  B.sleep enough to bring most refreshment

  C.rebuild memories stored during the day

  D.store memories in the brain

  E.get up quite early

  F.keep away from coffee in the evening

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• 2Paragraph 4________.

  A.Which is better, being an owl or a lark、

  B.What should we avoid、

  C.Why do we need sleep、

  D.What makes people owls or larks、

  E.What helps us fall asleep、

  F.How much sleep do we need、

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• 3Paragraph 3________.

  A.Which is better, being an owl or a lark、

  B.What should we avoid、

  C.Why do we need sleep、

  D.What makes people owls or larks、

  E.What helps us fall asleep、

  F.How much sleep do we need、

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• 4Paragraph 2________.

  A.Which is better, being an owl or a lark、

  B.What should we avoid、

  C.Why do we need sleep、

  D.What makes people owls or larks、

  E.What helps us fall asleep、

  F.How much sleep do we need、

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• 5Paragraph 1________.

  A.Which is better, being an owl or a lark、

  B.What should we avoid、

  C.Why do we need sleep、

  D.What makes people owls or larks、

  E.What helps us fall asleep、

  F.How much sleep do we need、

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• 6A good lifestyle means one can________.

  A.stay up till the early hours of the morning

  B.sleep enough to bring most refreshment

  C.rebuild memories stored during the day

  D.store memories in the brain

  E.get up quite early

  F.keep away from coffee in the evening

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• 7It is good advice for most people to________.

  A.stay up till the early hours of the morning

  B.sleep enough to bring most refreshment

  C.rebuild memories stored during the day

  D.store memories in the brain

  E.get up quite early

  F.keep away from coffee in the evening

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• 8What is used to describe the communication network consisting of cells in the immune system、

  A.The immune system’s memory．

  B.Immune troops eliminating intruders．

  C.Bees flying around a hive．

  D.A sea of microbes．

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• 9The immune cells and other cells in the body coexist peaceably in a state known as

  A.self-tolerance

  B.balance

  C.harmony

  D.tolerance

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• 10How do the immune cells recognize an antigen as“foreign”or“nonself”、

  A.Through an allergic response．

  B.Through blood type．

  C.Through characteristic shapes on the antigen surface．

  D.Through fine hairs protruding from the antigen surface．

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