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【简答题】
完形填空。 It's September 1st, and we're all back to school. It's good to 1 all my teachers and friends again. They all 2 fine. We're in Grade Eight this year. We have 3 new subjects. I'm not very 4 at Chinese, but Han Mei says she can 5 me. I think I can 6 it better. I like English very much. Zhang Hong likes English, 7 . But she needs help. I 8 I can help her. Mr Hu is our new English teacher. He 9 know all of us, so he has our names on a piece of paper and 10 our names before he begins his lesson. (     )1. A. see (     )2. A. do (     )3. A. a lot (     )4. A. well (     )5. A. learn (     )6. A. do (     )7. A. either (     )8. A. am afraid (     )9. A. doesn't (     )10. A. gives B. watch B. see B. some B. good B. give B. play B. very B. think B. don't B. calls C. find C. look C. lot C. bad C. help C. look C. much C. am sorry C. does C. asks D. look D. sound D. much D. nice D. need D. feel D. too D. want D. do D. tells
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参考答案:
举一反三
【单选题】电突触是神经元之间的
A.
黏着小带
B.
紧密连接
C.
缝隙连接
D.
桥粒
E.
连接复合体
【判断题】一种编码的检错和纠错能力与该编码的最小码距的大小有直接关系。()
A.
正确
B.
错误
【判断题】线性分组码的最小码距等于最小码重。
A.
正确
B.
错误
【简答题】码组间的最小码距?[填空(1)]? 非零码的最小码重
【单选题】电突触是神经元之间存在的
A.
中间连接
B.
紧密连接
C.
缝隙连接
D.
桥粒
E.
连接复合体
【简答题】电子分析天平是根据什么原理设计的?
【单选题】电突触是神经元之间存在的()
A.
中间连接
B.
缝隙连接
C.
紧密连接
D.
桥粒
E.
连接复合体
【判断题】编码的检错和纠错能力与该编码的最小码距没有关系。()
A.
正确
B.
错误
【单选题】数据链路层不能向网络层提供哪些服务?()
A.
组成帧,传输帧
B.
流量控制
C.
差错控制
D.
路径选择
【判断题】线性码的最小码距正好等于非零码的最小码重。
A.
正确
B.
错误
参考解析:
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