单项选择题

The production of tin ore in the United States is relatively insignificant, _______ less than one hundred tons annually.

A．amounting to
B．in the amount
C．amounts to it
D．to the amount of
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单项选择题
The members in the testing team were quite _______ and could change their schedule upon request.
A．lenient
B．supple
C．flexible
D．gentle
单项选择题
This road is completely _______ deep at night.
A．isolated
B．lonely
C．deserted
D．neglected
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