正确答案: A

为人民群众提供基本的公共文化服务

题目：公益性文化事业的根本任务是 （ ）

解析：A

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举一反三的答案和解析：

[单选题]Text 3The full influence of mechanization began shortly after 1850, when a variety of machines came rapidly into use. The introduction of these machines frequently created rebellions by workers who were fearful that the machines would rob them of their work. Patrick Bell, in Scotland, and Cyrus McCormick, in United States, produced threshing machines. Improve- meats were made in plows to compensate for different soil types. Stream power came into use in 1860s on large farms. Hay rakes, hay-loaders, and various special harvesting machines were produced, Milking machines appeared. The internal-combustion engine run by gasoline became the chief power source for the farm.

ingenious improvements were made in fanning machines in the 1860s to yield production

解析：答案：D

[多选题]芡实的功效有

除湿止带

健脾止泄

益肝固精

解析：ABD

[单选题]同一条无差异曲线上的不同点表示( )。

效用水平相同，但所消费的两种商品的组合比例不同

解析：[分析]