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【判断题】
列车占用轨道电路时,前后车轮压在钢轨接触面上形成的电阻,称为列车分路电阻。
A.
正确
B.
错误
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参考答案:
举一反三
【简答题】如果你是公司的领导,有两种人,一种是比较顺从的,一种是比较有创意的,你喜欢哪一种人,为什么?
【单选题】— What is Tom doing now? — He is _____ at the moment. [     ]
A.
sleep
B.
sleeps
C.
to sleep
D.
sleeping
【判断题】What is Tina and Tom doing?
A.
正确
B.
错误
【单选题】What is Tom doing now? He is preparing a report for the conference tomorrow.
A.
held
B.
being held
C.
to be held
D.
having been held
【单选题】What are you doing out of bed ,Tom? You are to be asleep.
A.
supposed
B.
known
C.
thought
D.
considered
【单选题】听力原文:M: My telephone doesn't seem to be working. And I have lots of calls that I have to return this afternoon. W: Feel free to use mine if you want I'll be in a meeting till five. Q: What does the wo...
A.
Call her after five.
B.
Make calls from her phone.
C.
Go to the meeting with her.
D.
Fix his phone.
【单选题】中国科技论文在线收录( )学科信息。
A.
43
B.
34
C.
44
D.
54
【单选题】What are you doing out of bed, Tom? You're to be asleep.        ,
A.
supposed
B.
known
C.
thought
D.
considered
【简答题】(1)①如果a﹣b<0,那么a(    )b; ②如果a﹣b=0,那么a(    )b; ③如果a﹣b>0,那么a(    )b; (2)由(1)你能归纳出比较a与b大小的方法吗?请用文字语言叙述出来。 (3)用(1)的方法你能否比较3x 2 ﹣3x+7与4x 2 ﹣3x+7的大小?如果能,请写出比较过程。
【单选题】2-26.使刀具或工件运动到所需角度或位置,用于加工若干个完全相同的沿圆周均匀分布表面的运动,属于( )。
A.
空行程运动。
B.
切入、切出运动。
C.
分度运动。
D.
操纵及控制运动。
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