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【单选题】
下列关于端午节起源不正确的说法是( )A.
纪念屈原说
B.
纪念
C.
纪念说
D.
除尘洗浴说
E.
辟邪说
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Q: What do we know about Carnegie Mellon University?
A.
It has established a new e-commerce model.
B.
It has carried out a new study on all e-retailers.
C.
Buy.com is one of its new online shopping sites.
D.
E-retailers are all concerned about its new study.
【判断题】混凝土 拌合物 用水量增大，其流动性随之增大。但用水量过大，会使 拌合物的粘聚性和保水性变差，产生严重泌水、分层或流浆，并有可能使 混凝土强度和耐久性严重降低。
A.
正确
B.
错误
【单选题】Q3 : What do we know from this conversation about the man?
A.
He has a good personal relationship with the woman.
B.
He scolds the woman for challenging his authority.
C.
He thinks the woman has a gift for Spanish.
D.
He dislikes giving advice to his students.
【简答题】试写出图5-21所示电路的输入信号和触发器输出Q之间的逻辑关系。
【简答题】电路如下图所示。试写出u o 和u i 之间的关系。
【简答题】请简单给出车头时距和车头间距的定义和计算式，并进一步说明它们与交通三参数之间的关系，写出相应的关系表达式。
【单选题】Q: What do we know about the woman's project?
A.
She is doing quite well with it.
B.
She cannot carry on any more.
C.
She is having money problem.
D.
She needs qualified saff
【简答题】试写出图5-43所示电路的输入信号和触发器输出Q之间的逻辑关系。
【单选题】[音频] Q: What do we know from what the woman said?
A.
She prefers outdoor parking.
B.
She often has nightmares at night.
C.
She is a very experienced driver.
D.
She has scratches on her back.
【单选题】Q2. What do we know about the company?
A.
It’s a small enterprise.
B.
It’s a world-famous company.
C.
It encourages technical innovation.
D.
It specializes in staff training.
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