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【单选题】
假定一个循环顺序队列的队首和队尾指针分别为 f 和 r ,则判断队空的条件是A.
f+1==r
B.
r+1==f
C.
f==0
D.
f==r
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【判断题】Early Modern English lacked uniformity in spelling, but Samuel Johnson's dictionary, published in 1755 in England, was influential in establishing a standard form of spelling.
A.
正确
B.
错误
【简答题】99，567，8，1089，1755，（ ）
【判断题】As a lexicographer, Samuel Johnson distinguished himself as the author of A Dictionary of the English Language (1755), a gigantic task which Johnson undertook with his friends and finished in over sev...
A.
正确
B.
错误
【判断题】Samuel Johnson was the editor of A Dictionary of the English Language (1747~1755), the first great English dictionary.
A.
正确
B.
错误
【单选题】In_____,Samuel started compiling a dictionary of the Engish language.
A.
1747
B.
1755
C.
1765.0
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