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【单选题】
CAN-H对CAN-L的电阻值为（ ）。A.
30Ω左右
B.
60Ω左右
C.
240Ω左右
D.
无穷大
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【简答题】.It was nine years
ago ( ) Sir
Alfred returned America.A. that B. when that C. when D. since
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【单选题】The History of the English DictionaryIn 1746, Samuel Johnson began to work on his most famous book, the Dictionary of the English Language. It took him nine years to complete and in that time, he wrot...
A.
was older than Johnson by twenty-one years
B.
helped Johnson to get the dictionary writing job
C.
was a sick woman
D.
died before the dictionary was completed because she was too old
【单选题】The History of the English DictionaryIn 1746, Samuel Johnson began to work on his most famous book, theDictionary of the English Language. It took him nine years to complete and in that time, he wrote...
A.
dictionary to include so many words
B.
dictionary in the world
C.
dictionary that was written in England
D.
English dictionary to have 40,000 words
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