单项选择题

Rising energy costs increase operating costs ______ for many older air - conditioning systems in large buildings, causing owners to seek help.

A．heatedly
B．severely
C．fiercely
D．drastically
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单项选择题
A wrongdoer is constantly ______ by fear of discovery.
A．pursued
B．haunted
C．stayed in
D．hauled
单项选择题
The child was playing on the floor with his collection of ______ farm animals.
A．infinitesimal
B．microscopic
C．trivial
D．miniature
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