The lithium batteries are becoming improper for the cell phone because ______.
A. there is a television in the phone
B. it is inconvenient to use
C. it can't provide enough power
D. people have found substitutes
James Fennimore Cooper' s novel______is the first to reveal the west and Native Americans'
A. Go Down, Moses
B. The Last of the Mohicans
C. Winesburg, Ohio
D. O, Pioneers!
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