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Chronic insomnia is a major public health problem. And too many people are using__1__ therapies，even while there are a few treatments that do work. Millions of Americans __2__awake at night counting s...

A recent poll indicated that half the teenagers in the United States believe that communication between them and their parents is__1__and further that one of the prime causes of this gap is __2__liste...

There is growing interest in East Japan Railway Co. ltd，one of the six companies，created out of the privatized nationa__l__ railway system. In an industry lacking exciting growth1，its plan to use real...

Aging poses a serious challenge to OECD(Organization of Economic Co-operation and Development)countries，in particular，how to pay for future public pension liabilities. And early retirement places an__...

The success of Augustus owed much to the character of Roman theorizing about the state. The Romans did not produce ambitious blueprints1 the construction of idea__l__ states，such as__2__ to the Greeks...

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The horse and carriage is thing of the past. But love and marriage are still with us and still closely interrelated. Most American marriages, particularly first marriages 1 young couples are the resul...

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Music comes in many forms; most countries have a style of their own. __1__the turn of the century when jazz (爵士乐) was born, America had no prominent__2__of its own. No one knows exactly when jazz was_...

The family is the center of most traditional Asians’ lives. Many people worry about their families welfare, reputation, and honor. Asian families are often 1 , including several generations related by...