问题
单项选择题
十进制数50转换成二进制整数是( )。
A．0110110
B．0110100
C．0110010
D．0110101
答案
参考答案：C
解析： 十进制整数转二进制的方法是除2取余法。将十进制数除以2得一商数和一余数。再用商除以2……以此类推。最后将所有余数从后往前排列。
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十进制数50转换成二进制整数是( )。
A．0110110
B．0110100
C．0110010
D．0110101
参考答案：C
解析： 十进制整数转二进制的方法是除2取余法。将十进制数除以2得一商数和一余数。再用商除以2……以此类推。最后将所有余数从后往前排列。
It was only a few weeks after my surgery. I went to Dr. Belt’s office for a 36 . It was just after my first chemotherapy treatment(化疗). My scar was still very tender.(疼痛的) 37 . I was taken to an examination room to have my blood 38 , again—a terrifying process for me, since I’m so frightened of 39 . I lay down on the 40 . Then Ramona entered the room. Her 41 smile was familiar, and 42 in contrast to my fears. I’d first seen her in the office a few weeks earlier. She wasn’t my 43 on that day, but I remember her because she was laughing. What could she 44 find to laugh about at a time like this? So I decided she wasn’t 45 enough about the whole thing. But this day was 46 . Ramona had taken my blood before. She 47 my fear of needles, and she kindly 48 the medical equipment under a magazine. As we opened the layers of bandage, the 49 scar on my chest could be seen. She gently 50 over and ran her hand across the scar, 51 the smoothness of the healing skin. I began to cry gently and quietly. She brought her warm eyes to mine and said, “You haven’t 52 it yet, have you?” And I said, “No.” I continued to cry gently. In 53 tones she said. “This is part of your body. This is you. It’s okay to touch it.” But I couldn’t. So she touched it for me. The 54 . The healing wound. And beneath it, she touched my heart. That night as I lay down, I gently placed my hand on my chest and I left it there 55 I fell asleep. I knew I wasn’t alone.
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