如果PSD没有关闭且锁闭,列车可以正常进站或离站。A.正确B.错误...

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【判断题】

如果PSD没有关闭且锁闭,列车可以正常进站或离站。

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错误

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举一反三

【简答题】填空题。据句意及所给单词首字母或汉语意思完成下列句子。 1. Coming top in such an important exam is quite an a_____. 2. The ship is in no c_____ to make a long voyage. 3. Their b_____ towards me shows tha t they do not like me. ...

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【简答题】根据汉语意思或首字母提示，填写适当的单词。 1. The weather during our holiday was p________. 2. After a time, you get to ________ (认识到) the importance of English study. 3. It's i________ for man to go to the sun. 4. We use...

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【简答题】单词拼写：（每小题1分，共10小题，满分10分）据句意及所给单词首字母或汉语意思完成下列句子。 1. In China Tomb-sweeping Day(清明节) is a day to be in memory of their a____________. 2. Many r____________ people believe the souls of good people will ...

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【简答题】根据首字母或汉语意思写单词。 1. F________ is very important for students. 2. Some friends have opposite views and________（兴趣）. 3. I called the police station to get some________（信息）about my lost dog. 4. I don't___...

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【简答题】根据汉语意思和首字母提示补全单词。 1. In s__________, I like to swim in the river. 2. How many s__________ are there in a year? Four. 3. This is my favourite __________ (电台). 4. It is __________ (温暖多雨的) in spring. 5....

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【单选题】触点式节压器线圈烧断,会造成充电系( )故障。

充电电流过大

不充电

发电机异响

不确定

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【判断题】触点式电压调节器线圈烧断，会造成充电系统电流过大的故障。

正确

错误

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【判断题】设 F(x) 为随机变量 X 的分布函数 , 则它是一个单调不降的函数。