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【单选题】
为了进行差错控制,必须对传送的数据帧进行校验。如果CRC的生成多项式为G(X)=X4+X+1,信息码字为10110,则在信道中传输的码字是(16)。
A.
111
B.
1111
C.
101100111
D.
101101111
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【判断题】葡萄出土上架时,要少伤枝蔓,否则会从伤口处流出伤流液,影响树体生长发育
A.
正确
B.
错误
【判断题】连通图的生成树包含了图中所有顶点。
A.
正确
B.
错误
【简答题】She was relieved to _________________ ( 能够逃脱 ).
【单选题】Jim is a good son. He never _______ to write to his mother every month.
A.
fails
B.
misses
C.
loses
D.
forgets
【单选题】She was relieved to see his face _______ with a boyish grin.
A.
o   light on
B.
o   light off
C.
o   light up
D.
o   light out
【单选题】_____________的作用就是扩大汽车驱动扭矩和转速的变化范围,以适应其经常变化着的行驶条件
A.
离合器
B.
变速箱
C.
主减速器
D.
差速器
【单选题】I can never forget the day _______ we worked together and the day ______ we spent together.
A.
which; when
B.
when which
C.
which which
D.
when when
【简答题】Para 9. So, when I took my new boyfriend to dinner at Mom's house for the first time, I worried about what she would be serving. I could only hope that she had prepared something he would recognize an...
【判断题】变速器的作用就是扩大汽车驱动扭矩和转速的变化范围,以适应其经常变化着的行驶条件。
A.
正确
B.
错误
【简答题】Fill in the blanks with the noun “escape” based on the Chinese meaning in the brackets. 1. She was relieved to _________________ (能够逃脱). 2. Make sure you are aware of possible _________________ (逃生路线)...
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