与十进制数100等值的二进制数是
A.0010011
B.1100010
C.1100100
D.1100110
参考答案:C
解析:十进制转换成二进制采用“除二取余”法。
用am, is, are填空
1. I _____ a teacher.
2. He _____ sad.
3. She _____happy.
4. My eyes ____ black.
5. Your hair ____ shot.
测定透明度时,变压器油应冷却至()℃。
A.0
B.3
C.5