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如何保持我们的城市清洁建立合作伙伴关系

How to keep our town. We are Muslims we should follow the teaching of Islam. Islam gives us the sense of purity cleanliness.We should therefore be clean in action and thought. Our holy prophet (peace be upon him)…

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Homologous series and characteristics of homologous series

Homologous series and characteristics of homologous series Definition; Series of organic compounds which have same functional group, similar structural feature but differ from each other by integer number of CH2(methylene group) is calledHomologous series”. The number of

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优化WordPress的插件 & 通过W3 EDGE解决方案