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【单选题】
同时抛掷两枚质地均匀的硬币,则出现两个正面的的概率是
A.
1/2
B.
1/4
C.
1/3
D.
1/8
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【简答题】Dear Mr. and Mrs. Brown, I’m writing to you from my home in China. I returned home safe and sound. When thinking of the wonderful day 小题1:______________ I spent in New Orleans, I just can’t help think...
【判断题】持软席全年定期乘车证、软席乘车证的人员可以乘坐动车组列车卧铺和商务坐席,持硬席乘车证(含全年定期、临时定期乘车证)的人员乘坐动车组列车卧铺和一等坐席。
A.
正确
B.
错误
【判断题】由同一音级或相隔一个音级构成的半音叫做“变化半音”。()
A.
正确
B.
错误
【单选题】IEEE802.11标准采用的工作频段是__(66)__,下列标准中采用双频工作模式的是__(67)__。
A.
900MHz和800MHz
B.
900MHz和2.4GHz
C.
5GHz和800MHz
D.
2.4GHz和5GHz
【判断题】采用国际标准应尽可能是一个对几个的关系,即一个标准采用几个国际标准
A.
正确
B.
错误
【简答题】阅读下面短文,从每题ABCD四个选项中,选出一个能填入文章中相应空白处的最佳答案。 Mr. and Mrs. Bell are very 56 . For example, Mr. Bell sometimes goes to his office for work on Sunday morning, for he thinks it is Monday. And Mrs. Bell somet...
【简答题】标准燃料可分为标准煤、标准油、标准气,我国采用的计算基准是() A、标准气 B、标准油 C、标准煤 D、标准油和标准煤
【单选题】There was a murder, and the only suspects who could have committed it are Mr. Green and Mrs. Peacock, so the murderer must be Mr. Green. Indicate which of the following is a single suppressed premise ...
A.
Mr. Green and Mrs. Peacock did not commit the murder together.
B.
If Mr. Green committed the murder, then Mrs. Peacock did not.
C.
Mrs. Peacock did not commit the murder.
D.
Mr. Green is not the only suspect.
【单选题】当调车作业由无电区域进入有电区域作业时,应(),检查有关人员站立位置符合要求,方准进入有电区域。
A.
一度停车
B.
边走边检查
C.
按照无电作业办法进行
D.
听取汇报
【简答题】阅读理解。正确的写“T”错误的写“F”。 Mr. and Mrs. Bell are very forgetful (健忘的). For example, Mr. Bell sometimes goes to his office for work on Sunday morning, for he thinks it is Monday. And Mrs. Bell sometimes forg...
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