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【单选题】
5 以下选项中错误的整型常量是________。
A.
123.
B.
-346
C.
0x5A
D.
0777
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A.
正确
B.
错误
【简答题】She has already finished her homework.( 一般疑问句 ) ______ she finished her homework ______?
【简答题】She has already finished her homework.( 一般疑问句 ) ______ she finished her homework ______?
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A.
正确
B.
错误
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A.
正确
B.
错误
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A.
正确
B.
错误
【单选题】Has she finished her week's work? ______,I'll ask her to see a film tonight. [     ]
A.
  If so
B.
  If not
C.
  If any
D.
  If anything
【简答题】She (write) letters all afternoon and she has not finished yet.