单项选择题

A．Only humans respond to emotions by shedding tears.
B．Only humans shed tears to get rid of irritating stuff in their eyes.
C．Only human tears can resist the invading bacteria.
D．Only human tears can discharge certain chemicals.
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单项选择题
A．Make extra money while taking classes.B．Work in the clothing store.C．Take the job in the hotel.D．Continue her job search for a while.
A．Make extra money while taking classes.
B．Work in the clothing store.
C．Take the job in the hotel.
D．Continue her job search for a while.
单项选择题
A．She has been to every continent.B．She should recommend him some places.C．She is lucky to have traveled a lot.D．She should work for a travel agency.
A．She has been to every continent.
B．She should recommend him some places.
C．She is lucky to have traveled a lot.
D．She should work for a travel agency.
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