单项选择题

As a ______ major, he enjoyed working in the steel plant.

A．metallurgy
B．geology
C．astronomy
D．seismology
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单项选择题
The nurse ______ the doctor in the operation room.
A．insisted
B．resisted
C．assisted
D．persisted
单项选择题
She felt a bit ______ in the autumn air so she went in to fetch a coat.
A．chilly
B．fresh
C．shivering
D．cool
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