单项选择题

The combination of lenses in a compound microscope makes possible greater amplification than can be achieved with a single lens.

A．management
B．magnificence
C．magnetism
D．magnification
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单项选择题
My own inclination, if I were in your situation, would be to look for another position.
A．symptom
B．likeness
C．habit
D．tendency
单项选择题
The rigor of the winter in Russia was often described by Mogol.
A．harshness
B．perturbation
C．dismay
D．pessimism
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