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【单选题】
在三相四线制电路中,中线的作用是( )
A.
构成电流回路
B.
使不对称负载的相电压对称
C.
获得两种电压
D.
使电源线电压对称
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【单选题】氯丙嗪治疗精神分裂症的作用机制是
A.
阻断脑内胆碱受体
B.
阻断中脑边缘系统和中脑皮质通路的多巴胺受体
C.
阻断黑质—纹状体系统的多巴胺受体
D.
激动网状结构的α受体
E.
激动脑内胆碱受体
【简答题】根据英语解释,给出对应的单词 1. a small imaginary person with magic powers -- 1)______________________, 复数形式为:2)______________ 2. n. --a piece of paper or material fastened to an object that gives information abou...
【简答题】根据英文解释写出对应的单词或词组 1. to trick sb. by behaving in a dishonest way -- 1) _________________ 词性:2)___________________________(及物动词 / 不及物动词) 2. a piece of paper or material fastened to an object that give...
【单选题】For a piece of reflective writing, where should you begin? Check one option.
A.
With an experience or event that raised questions or demonstrated a gap in your knowledge
B.
With something you have recently learned
C.
In front of the mirror
D.
With an object
【单选题】氯丙嗪治疗精神分裂症的作用机制 是
A.
阻断中枢D 2 样受体
B.
激动中枢D 2 样受体
C.
阻断α肾上腺素受体
D.
阻断GABA受体
E.
激动GABA受体
【单选题】Choose the correct definition for curiosity
A.
To make an object or pattern by cutting a piece of wood or stone.
B.
To pause before saying or doing sth.
C.
To give sb. permission not to do or pay sth.
D.
The desire to know about sth.
【简答题】氯丙嗪治疗精神分裂症的作用机制是:
【单选题】京杭大运河的开凿在历史上共有三次较大的工程,分别在( )
A.
春秋末期、隋唐、元代
B.
战国末期、隋唐、元代
C.
春秋末期、元代、明代
D.
战国末期、明代、清代
【单选题】斩波在表示存储器的容量时,k的准确含义所指的字节数为( )。
A.
1000 M
B.
1024 M
C.
1000 Bytes
D.
1024 Bytes
【单选题】Choose the correct definition for terminate.
A.
The process of going down
B.
To make an object by cutting a piece of wood
C.
To pause before saying or doing sth.
D.
To end
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