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C
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单项选择题
A．Anyone without breakfast does improve his performance.B．Not giving people breakfast improve performance.C．Having breakfast does not improve performance, either.D．People having breakfast do improve their performances, too.
A．Anyone without breakfast does improve his performance.
B．Not giving people breakfast improve performance.
C．Having breakfast does not improve performance, either.
D．People having breakfast do improve their performances, too.
单项选择题
A．Sub-standard form of the English language.B．An ideal form of English pronunciation.C．A standard form of English pronunciation among intellectuals.D．A somewhat standard form of English pronunciation in English.
A．Sub-standard form of the English language.
B．An ideal form of English pronunciation.
C．A standard form of English pronunciation among intellectuals.
D．A somewhat standard form of English pronunciation in English.
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