单项选择题

A．To return the ticket.
B．To book the ticket.
C．To check the ticket.
D．To change the ticket.
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单项选择题
A．After he left St. Mary’s Hospital, Fleming joined his brother in his practice.B．In 1928, Fleming produced pure penicillin in quantity.C．Fleming began his medical training at the age of twenty.D．Fleming got the Nobel Prize for medicine in 1954.
A．After he left St. Mary’s Hospital, Fleming joined his brother in his practice.
B．In 1928, Fleming produced pure penicillin in quantity.
C．Fleming began his medical training at the age of twenty.
D．Fleming got the Nobel Prize for medicine in 1954.
单项选择题
A．Narcissus is the name of a flower.B．Narcissus tried to hug Echo, but in vain.C．Narcissus was drowned in the pool.D．Narcissus saw a beautiful girl in the pool.
A．Narcissus is the name of a flower.
B．Narcissus tried to hug Echo, but in vain.
C．Narcissus was drowned in the pool.
D．Narcissus saw a beautiful girl in the pool.
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