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【判断题】
多谐振荡器是一种非正弦振荡器，它不需外加输入信号，只要接通电源，靠自激产生矩形脉冲信号，其输出脉冲频率由电路参数R，C决定。()A.
正确
B.
错误
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【单选题】Many people thought little of me, but I did what _____. [ ]
A.
I thought I was right
B.
I thought it was right
C.
I thought was right
D.
I was thought what
【简答题】I did very badly at school. My head thought I was ____36____ and when I was 14 years old, he predicted, “You are never to be ____37____ but a failure.” After 5 years of poor jobs, I fell in love...
【简答题】西北干旱、半干旱地区是我国生态环境比较脆弱的地区，回答1-3 题。 1． 西北干旱半干旱地区由东向西的植被呈草原- 荒漠草原- 荒漠变化的原因主要是由于 [ ] A．水分差异造成的 B．热量差异造成的 C．地形差异造成的 D．人类耕作方式不同造成的 2． 西部大开发首先要 [ ] A．发展高新产业，加快城市化进程 B．人口外迁，减轻环境压力 C．治水改土，改造低产田 D．抓好基础设...
【单选题】. He wanted to know what I thought, _____ confused me because I thought the author knew more than I did.
A.
when
B.
that
C.
which
D.
where
【单选题】Many people thought little of me, but I did what _____.
A.
I thought I was right
B.
I thought it was right
C.
I thought was right
D.
I was thought right
【简答题】At first I thought I understood what he said, but the more I thought about it, ____________.(我就越觉得糊涂).
【简答题】首届中国国际生态城市论坛于2010年9月28日在天津滨海国际会议中心举行，其主题为“生态城市与绿色复苏”，生态城市是目前现代城市建设的新潮流，它以环境为中心，注重可持续发展，强调资源的高效低耗和生态优先等原则。据此回答1—3题。 1、目前城市生态环境恶化的根本原因是 [ ] A．城市地域结构模式不合理 B．城市人口、工业的膨胀产生大量废弃物，超过了环境的自净能力 C．城市所在地地形、气候、...
【简答题】首届中国国际生态城市论坛于2010 年9 月28 日在天津滨海国际会议中心举行，其主题为“生态城市与绿色复苏”，生态城市是目前现代城市建设的新潮流，它以环境为中心，注重可持续发展，强调资源的高效低耗和生态优先等原则。据此回答1-3题 1．目前城市生态环境恶化的根本原因是 [ ] A．城市地域结构模式不合理 B．城市人口、工业的膨胀产生大量废弃物，超过了环境的自净能力 C．城市所在地地形、气...
【单选题】At first 1 thought I understood what she said, hut the more I thought about it, ______.
A.
the more did I become confused
B.
the more 1 became confused
C.
the more confused became I
D.
the more confused I became
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