单项选择题

______ he has limited technical knowledge, the old worker has a lot of experience.

A．Since
B．Unless
C．As
D．Although
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单项选择题
The weather ______ us from climbing the mountain.
A．discharged
B．disguised
C．disturbed
D．discouraged
单项选择题
Sheraton Grand Shanghai Tai Ping Yang Hotel ______ with the best International Five Star Diamond Award from the American Academy of Hospitality Sciences in June 2006.
A．presented
B．was presented
C．inspected
D．was inspected
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