“In real life, the daily struggles between parents and children are around these narrow problems of an extra hour, extra TV show, and so on” said Avi Sadeh, psychology professor at Tel Aviv University. “Too little sleep and more accidents,” he said.Sadeh and his colleagues found an extra hour of sleep can make a big difference. The children who slept longer, although they woke up more frequently during the night, scored higher on tests, Sadeh reported in the March/April issue of journal Child Development. “When the children slept longer, their sleep quality was somewhat weak, but in spite of this their performance for study improved because the extra sleep was more important than the reduction in sleep quality. ”Sadeh said. “Some studies suggested that lack of sleep as a child affects development into adulthood and it’s more likely to develop their attention disorder when they grow older. ”

In earlier studies, Sadeh’s team found that fourth graders slept an average of 8.2 hours and sixth graders slept an average of 7. 7 hours. “Previous research has shown children in elementary school need at least nine hours of sleep a night on a regular basis, said Carl Hunt, director of the National Center on Sleep Disorders Research in Bethesda, and high-school-age children need somewhat less, he said, adding that the results of lack of sleep could be serious.

“A tired child is an accident waiting to happen,” Hunt said. “And as kids get older, toy get bigger and the risks higher. ” Hunt also said too little sleep could result in learning and memory problems and long-term effects on school performance. “This is an important extension of what we already know, ” Hunt said of Sadeh’s research, adding sleep is as important as nutrition(營(yíng)養(yǎng)) and exercise to good health. “To put it into reality,” Hunt said, “parents should make sure they know when their children actually are going to sleep and their rooms are helpful to sleep instead of playing. ”

What is Child Development?

A. A new story                                  B. An organization

C. A periodical magazine                     D .A TV programme

How many persons are exactly mentioned in the text?

A One                 B Two               C Three                  D Four

Which of the following statements is NOT true according to the passage?

A. There are some daily struggles between parents and children because of having

nothing in common with extra rest time.

B. The children who sleep longer are weak in their study.

C. Lack of sleep as a child has great effect on their development into adulthood.

D. In general, children in elementary school need at least nine hours of sleep a night.

【小題1】C

【小題2】B

【小題3】B

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科目：高中英語 來源：2013屆山東省萊蕪五中高三4月模擬英語試卷（帶解析） 題型：閱讀理解

The evidence for harmony may not be obvious in some families. But it seems that four out of five young people now get on with their parents, which is the opposite of the popularly held image(印象)of unhappy teenagers locked in their room after endless family quarrels.
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A．They worry about school
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C．They have to be locked in to avoid troubles
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A．may be a false beliefB．is common nowadays
C．existed only in the 1960sD．resulted from changes in families
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