题目内容

The combination of lenses in a compound microscope makes possible greateramplificationthan can be achieved with a single lens.(清华大学2005年试题)

A. management
B. magnificence
C. magnetism
D. magnification

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Ploughs and other agriculturalimplementswere on display at the recent exhibition. (清华大学2005年试题)

A. equations
B. playthings
C. tools
D. machinery

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A. sustainable
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C. skeptical
D. vulnerable

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A. transitions
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C. exchanges
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If you want this painkiller, you’ll have to ask the doctor for a______.(中南大学2006年试题)

A. transaction
B. agreement
C. permit
D. prescription