（）年初，美国城市率先提出兴建“（）”。

The full title of the U.K. is the United Kingdom of （）and （）

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public and private colleges and universities and community colleges offer（）.

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美国地理学家哈里斯在《美国城市的职能分类》将城市分为7类：（）、混合城市、（）、运输业城市、（）、大学城市、（）。

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（）is used for calling and replying,and for transmitting acknowleding and relaying distress alerts.

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1916年美国教育家杜威率先提出了培养（）的学说。

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What,how and for Whom 什么、如何和为谁

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The way in which people address each other depends on their age, sex, social group and personal relationship. The English system of address forms frequently used includes first name, last name, title+last name, （）, and kin term.

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Solid waste generation，and electricity and water consumption are costly and have their own set of environmental（）.

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Whose duty is it to examine and verify the vessel’s classification and technical state and condition?（）.

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