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feof(fp)函数用来判断文件是否结束，如果遇到文件结束，则函数值为，否则为。

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运算器是用于对数据进行加工的部件，它可对数据进行算术运算和__________。

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feof(fp)函数用来判断文件是否结束，如果遇到文件结束，则函数值为______，否则为______。

运算器是用于对数据进行加工的部件，它可对数据进行算术运算和__________。

According to the passage, on entering a railway compartment, an overseas visitor is expected to ________.[A] inquire about the code of behavior in the train [C] shake hands with the person he knows[B] shake hands with all the passengers [D] behave like an Englishman

feof(fp)函数用来判断文件是否结束，如果遇到文件结束，则函数值为，否则为。