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【简答题】
具有磁性的物体叫 ，原来没有磁性的物体获得磁性的过程叫做 。请在图中标出螺线管的N 极及电流方向。
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皮皮学刷刷变学霸
举一反三
【单选题】“No student,” the headteacher stressed, “_______ go out of the school after ten o’clock at night without my permission.”
A.
must
B.
will
C.
shall
D.
may
【简答题】根据下列梯形图写出语句表程序。
【简答题】根据下图中的梯形图程序,写出 S7-200 系列 PLC 的语句表指令
【单选题】According to the school rules, no student _____ go out of the school after nine o'clock at night without the teacher's permission. [ ]
A.
shall
B.
will
C.
must
D.
may
【单选题】The Story of the Three Bears was written by ____.
A.
Samuel Taylor Coleridge
B.
Robert Southey
C.
William Blake
D.
William Wordsworth
【简答题】One day, when I was in college, a dishonest-looking character approached me in the student union with a leather jacket he wanted to sell. It was a beauty: buttery smooth cowskin, with artfully sewed l...
【单选题】Alice learned the news TV that a Chinese student was killed in Boston marathon blasts.
A.
for
B.
on
C.
with
D.
about
【简答题】阅读理解。 A student is learning to speak British English. He wonders (想知道): Can I communicate with Americans? Can they understand me? Learners of English often ask: What are the differences between Britis...
【单选题】刘某,男,55岁。因肝硬化门静脉高压行脾切除加断流术,术后第10天突然出现剧烈腹痛、腹胀,应首先考虑为
A.
粘连性肠梗阻
B.
腹腔感染
C.
肠系膜血栓形成
D.
胃、肠道穿孔
E.
肠扭转
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