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【多选题】
正线按调车方式办理的情况( )A.
信号连锁故障情况下终点站站后折返
B.
折返站必经道岔、故障影响列车正常信号模式折返时
C.
联络线连锁故障情况下列车过线
D.
发生自然灾害情况时
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】阅读下面短文，从方框中找出每段的中心句，与每一段落匹配起来。 Maybe you think of yourself as a good friend, but are you really? If you’re not sure, it’s time to think about what makes a true friend. 小题1:A good friend is busy but st...
【单选题】The best title for this passage is______.
A.
Such a Clever Friend
B.
Mr Richards and His Friend
C.
Money Is Important
D.
Such Good Usage of Money
【单选题】Living in different cities, Linda and Lisa are still intimate friends.
A.
close
B.
good
C.
friendly
D.
poor
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