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【单选题】
设F是一个森林，B是由F变换得的二。若F中有n个非终端结点，则B中右指针域为空的结点有（ ）个。A.
n − 1
B.
n
C.
n+2
D.
n+1
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反馈参考答案：
举一反三
【简答题】( 1 ) and love, ( 2 ), ( 3 ) are some of the subjects that readers in the United States currently like best.
【单选题】Which of the following would be the best title for the text?
A.
E-Readers: Prospering under the Shadow of Tablets.
B.
E-Readers: How to Survive in the Era of Tablets.
C.
Don't Call the E-Reader Doomed.
D.
Don't Overstate Tablet's Dominance.
【单选题】The reader is urged to be a leader, rather than a follower; to rely on his own power, rather than to ______.
A.
conform
B.
inform
C.
reform
D.
deform
【单选题】The reader is urged to be a leader, rather than a follower; to rely on his own power, rather than to ______.
A.
inform
B.
conform
C.
deform
D.
reform
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