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【判断题】
重复码的重复次数必须是奇数。
A.
正确
B.
错误
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【单选题】关于CT准直器作用的叙述，错误的是
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【单选题】Excel中,除第一行外,清单中的每一行被认为是数据的( )。
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【单选题】Excel中除第一行外,清单中的每一行被认为是数据的( ).
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D.
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【简答题】Today we were organized for a short trip to the West Hill. We set out by the school bus at 7:30 a.m. The weather was pleasure and every one of us was excited. After   two hour’s ride, we arrived there...
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【简答题】We need to improve the quality of education so that our children will not leave school in literary and reasoning skills. In a society governed by the rule of law, every citizen is subject to possible ...
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