A．Because work is the common denominator of all the sta-找考题网

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A．Because work is the common denominator of all the staff.
B．Because the language of science is universal.
C．Because CERN had adopted only two official languages.
D．Because all the workers are drawn from one country.

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A．Mostly Chinese.B．Only sometimes the foreign language.C．Mostly the students’ language.D．Each language about half the tim

A．Mostly Chinese.
B．Only sometimes the foreign language.
C．Mostly the students’ language.
D．Each language about half the tim

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