For example in the desert areas of the southwestern United States,the Indians cooked their food by beating it on a flat stone in the hot sun.They cooked pieces of meat and thin cakes of corn meal in this（ ）.

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Changes in the social structure may indirectly（ ）juvenile crime rates.For example,changes in the economy that lead to fewer job opportunities for youth and rising unemployment in general make gainful employment increasingly difficult to obtain.

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For example in the desert areas of the southwestern United States,the Indians cooked their food by beating it on a flat stone in the hot sun.They cooked pieces of meat and thin cakes of corn meal in this（ ）.

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stimating schedule activity costs involves developing an approximation of the costs of theresources needed to complete each schedule activity. Cost estimating includes identifying andconsidering various costing alternatives. For example, in most application areas, additional workduring a design phase is widely held to have the potential for reducing the cost of the executionphase and product operations. The cost estimating process considers whether the expectedsavings can offset the cost of the

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In the nineteenth century，Samuel Gridley Howe founded the Perkins School for the Blind，( )for children in Boston，Massachusetts.

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“Hen”is called“母鸡” in Chinese and“poule” in French.What design feature of language is reflected ( ) in the example？

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