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【单选题】
已知t＞1，且x= t+1 - t ，y= t - t-1 ，则x，y之间的大小关系是（ ）A.
x＞y
B.
x=y
C.
x＜y
D.
x，y的关系随t而定
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反馈参考答案：
举一反三
【单选题】to say that you did not do something, you will use
A.
obviously
B.
deny
C.
definitely
D.
of course
【单选题】下面不属于联锁必须满足的技术条件的是（ ）
A.
进路上各区段空闲时才能开放信号机
B.
进路上出现红光带
C.
进路上有关道岔在规定位置才能开放信号
D.
敌对信号未关闭时，防护该进路的信号机不能开放
【简答题】The maxim of Quality: try to make your contribution one that is ____, especially: (i) do not say what you believe to be false and (ii) do not say that for which you lack ____ evidence.
【单选题】听力原文：M: My radio doesn't work. What do you think I should do? W: Why not say that to Mr. Jones? Q: What does the woman mean? (13)
A.
Mr. Jones might fix the radio.
B.
She doesn't want to work for Mr. Jones.
C.
She doesn't like to speak to Mr. Jones.
D.
Mr. Jones may have broken the radio.
【简答题】当进路上各轨道区段空闲、有关道岔锁闭在规定位置、其敌对信号处于 状态时，防护该进路的信号机才能开放。A. 关闭
【简答题】如何利用 STC 法改进一支笔 ?
【单选题】_______. How do you say that in English? [ ]
A.
I'm sorry
B.
Excuse me
C.
I'm not right
D.
This is an excuse
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