单项选择题

As ordinary people, scientists are by no means more honest or ______ than other people, but as scientists, they attach special value to honesty while they are in their working sphere.

A．ethical
B．ethnic
C．aesthetic
D．esthetic
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单项选择题
The company used so much coal that it has a train to ______ the delivery process.
A．transmit
B．transport
C．facilitate
D．diminish
单项选择题
My grandmother has been ill for two months, so her health has ______ .
A．deteriorated
B．diminished
C．dwindled
D．lessened
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