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【判断题】
国家铁路营业站的营业范围和与国家铁路办理直通运输业务的其他铁路营业站的营业范围以《铁路客运运价里程表》为准。其启用、封闭和营业范围的变更由国务院铁路主管部门批准，在《铁路旅客运输专刊》上公布。A.
正确
B.
错误
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【简答题】I like singers who ( )(be) really cool.
【单选题】— Who is your favorite singer.Julia? 一 Well, it's hard to say. I like singers _____ write their own lyrics. [ ]
A.
who
B.
whose
C.
which
D.
what
【单选题】—Who is your favorite singer, Julia? —Well,it's hard to say. I like singers ____ write their own lyrics. [ ]
A.
who
B.
whose
C.
which
D.
what
【单选题】—Who is your favorite singer? —I like singers ______ can write their own songs. [ ]
A.
which
B.
who
C.
∕
【单选题】下列描述不正确的是
A.
单稳态触发器具有一个稳态、一个暂稳态，暂稳态是其主要性能体现
B.
单稳态触发器的暂稳态维持的时间与触发脉冲紧密相关。
C.
555 定时器可方便地构成单稳态触发器。
D.
多谐振荡器为无稳态电路。
【简答题】补全对话。 A. I like the singers who care about the poor. B. It is about a singer who helps poor children. C. Yes, his name is Cong Fei (丛飞). D. Yes, if everyone does a bit, our life will be nicer. E. What...
【简答题】你认识下面这些酒么?请用以上三种分类方式去描述: 例如: N 酒是酿造酒、佐餐酒、低度酒 A酒 2. B酒 3. C酒
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