单项选择题


A．tackle
B．perform
C．operate
D．facilitate
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单项选择题
A．serveB．actC．playD．commit
A．serve
B．act
C．play
D．commit
单项选择题
The Federal Commission uncapped the energy price with the intention to ______.
A．help California's economy booming steadily
B．prevent power price from going up any further
C．enable the market to deal with supply and demand problems
D．have contracts signed between power producers and the utilities
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