题目内容

scenic spot---景点

A. 对
B. 错

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recommend--推荐

A. 对
B. 错

guarantee---保证

A. 对
B. 错

The decimal number 126 and its corresponding hexadecimal system can be expressed as ()

A. 8 F
B. 8 E
C. F E
D. 7 E

The decimal number 89.75 and its corresponding binary can be expressed as ()

A. 10001001.01110101
B. 1001001.10
C. 1011001.11
D. 10011000.11