题目内容

1. John Blanchard and Miss Maynell had known each other for more than 12 months.

A. 对
B. 错

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2. After writing a letter introducing himself, John never corresponded with Miss Hollis Maynell again.

A. 对
B. 错

3. The real reason that Miss Hollis refused to give him her photograph is that she was not pretty.

A. 对
B. 错

十六进制数(AB)16变换为等值的二进制数是( )。

A. 10101011
B. 11011011
C. 11000111D.10101011

十进制数123变换为等值的二进制数是( )。

A. 110101
B. 110110
C. 111011D.110011