单项选择题

You can do it if you want to, but in my opinion it's not worth the______ it involves.

A．effort
B．strength
C．attempt
D．force
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单项选择题
The wine glasses were so______ that I was afraid to carry them home by bus.
A．flexible
B．shaky
C．delicate
D．tender
单项选择题
She______ her mother's good looks and her father's bad temper.
A．inherited
B．inhabited
C．ascended
D．descended
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