急性肠炎( )

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

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急性出血性坏死性肠炎

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急性肠炎

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急性出血坏死性肠炎所致腹泻

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急性出血性坏死性肠炎的大便性状为（）

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

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

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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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