问题
单项选择题
二进制数10010110减去二进制数110000的结果是______。
A.100110
B.1000110
C.1100110
D.10000110
答案
参考答案:C
解析: 二进制数的减法,向高位借的一位相当于低位的2。
二进制数10010110减去二进制数110000的结果是______。
A.100110
B.1000110
C.1100110
D.10000110
参考答案:C
解析: 二进制数的减法,向高位借的一位相当于低位的2。
阅读短文,选择正确答案。 | |
father and my mother are fat (胖的). My father is thirty (三十) and my mother is thirty, too. I'm ten. My brother is eight. They love (爱)me. I love them, too. | |
1. There are _____________ people in my family. | |
[ ] | |
A. four B. five C. six | |
2. My parents (父母) are _____________. | |
[ ] | |
A. thin B. tall C. fat | |
3. My father is _____________, and my mother is _____________. | |
[ ] | |
A. twenty-eight (二十八), thirty B. thirty, twenty-eight C. thirty, thirty | |
4. I have _____________ brother(s). | |
[ ] | |
A. one B. two C. three | |
5. My parents have _____________ children. | |
[ ] | |
A. two B. three C. four |