关于用数字签名进行文件传输过程的说法中，错误的是（）A.接受方_爱下问搜题

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问题单项选择题

关于用数字签名进行文件传输过程的说法中，错误的是（）

A.接受方用自己的私有密钥对密钥进行解密，得到秘密密钥的明文

B.接受方用公开密钥对文件进行解密，得到经过加密的数字摘要

C.接受方用发送方的公开密钥对数字签名进行解密，得到数字摘要的明文

D.接受方用得到的明文和哈希函数重新计算数字摘要，并与解密后的数字摘要进行对比

答案

参考答案：B

完形填空

"Look, it's Baldy!" A boy shouted in my direction across the playground. Even though I was used to regular insults(侮辱) because of the   11  on my head, it was   12  horrible to hear. I sighed as I headed back to the class.
When I was just 20 months old, I suffered serious   13  after a bowl full of hot oil fell on my head. I was   14  to hospital and had to stay there for weeks while the doctors   15  to save my life. "Holly's very   16  to be alive," they told Mum and Dad. "But she'll be   17  with scars on her head, and of course her hair won't grow there."
As a child, I cared much about my scars, so I   18  wore a scarf to cover them up when I left home.   19  I didn't, people would call me horrible names like Baldy. Although my friends were always comforting me, they never   20  understood how it felt.
Then through the hospital I was   21  to a children's burns camp, where children like me can get any help. There, I   22  14-year-old Stephanie, whose burns are a lot more serious than mine. But she is so   23  that she never lets anyone put her down. "You shouldn't   24  what people say about what you look like because we're not different from anyone else, Holly," she   25  me. "And you don't need to wear a scarf because you look great   26  it!" For the first time in my life I could speak to someone who'd been through something   27 . So weeks later, at my 13th birthday party,   28  by her bravery, I gave up my scarf and showed off my scars. It felt amazing not having to   29  away behind my scarf.
Now, I am   30  of what I look like and much happier, because I have realized it is your personality（个性）that decides who you truly are.

判断题

在带电的电流互感器二次回路上工作时，工作中禁止将回路的保护接地点断开。