单项选择题

While in bed the doctor was telephoned to go back to the hospital because of ________ case.

A．a treatment
B．an operation
C．an incident
D．an emergency
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单项选择题
The newly -built principal museum seems ________ enough to last a hundred years.
A．steady
B．substantial
C．sophisticated
D．spacious
单项选择题
Eric nearly always wins the science award. That's because his project are ________.
A．extremely presented well
B．well presenled extremely
C．presented well extremely
D．extremely well presented
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