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【单选题】
在脉冲起始时刻,有无跳变来表示“ 0 ”和“ 1 ”,在脉冲中间时刻始终发生跳变的编码是( ) .
A.
曼切斯特编码
B.
非归零码
C.
切斯特编码
D.
归零码
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皮皮学刷刷变学霸
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【单选题】—'_____________?' —' He went to the library.' [ ]
A.
Where did he go
B.
Where did he live
C.
How was he
D.
Did he go to the library
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【简答题】Where did Torn go?
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【单选题】He asked his father ________?
A.
where it happens
B.
where did it happen
C.
how it happened
D.
how did it happen
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【判断题】矿体穿越潜水面时会表现季节性的水化学异常
A.
正确
B.
错误
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【单选题】通气障碍性疾病一支气管哮喘是属于( )
A.
血液性缺氧
B.
循环性缺氧
C.
组织中毒性缺氧
D.
耗氧增加性缺氧
E.
乏氧性缺氧
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【单选题】—Oh, sorry, what did you say just now? —I asked _______. [ ]
A.
Where he comes from
B.
where did he come from
C.
where he came from
D.
when did he go
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【单选题】90% 以上原发性肝癌是来源于
A.
肝细胞
B.
胆管上皮细胞
C.
Kupffer细胞
D.
肝窦上皮细胞
E.
混合来源
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【简答题】Where did he go yesterday? To the ______ .
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【简答题】Where did the dueling lose favor?
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【单选题】通气障碍性疾病——支气管哮喘是属于
A.
血液性缺氧
B.
循环性缺氧
C.
组织中毒性缺氧
D.
耗氧增加性缺氧
E.
乏氧性缺氧
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【单选题】—'_____________?' —' He went to the library.' [ ]
A.
Where did he go
B.
Where did he live
C.
How was he
D.
Did he go to the library
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【简答题】Where did Torn go?
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【单选题】He asked his father ________?
A.
where it happens
B.
where did it happen
C.
how it happened
D.
how did it happen
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【判断题】矿体穿越潜水面时会表现季节性的水化学异常
A.
正确
B.
错误
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【单选题】通气障碍性疾病一支气管哮喘是属于( )
A.
血液性缺氧
B.
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C.
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D.
耗氧增加性缺氧
E.
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【单选题】—Oh, sorry, what did you say just now? —I asked _______. [ ]
A.
Where he comes from
B.
where did he come from
C.
where he came from
D.
when did he go
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【单选题】90% 以上原发性肝癌是来源于
A.
肝细胞
B.
胆管上皮细胞
C.
Kupffer细胞
D.
肝窦上皮细胞
E.
混合来源
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【简答题】Where did he go yesterday? To the ______ .
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【简答题】Where did the dueling lose favor?
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【单选题】通气障碍性疾病——支气管哮喘是属于
A.
血液性缺氧
B.
循环性缺氧
C.
组织中毒性缺氧
D.
耗氧增加性缺氧
E.
乏氧性缺氧
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