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【单选题】
在一个闭合回路中电流强度与电源电动势成正比,与电路中内电阻和外电组之和成反比,这一定律称()。A.
全电路欧姆定律。
B.
全电路电流定律。
C.
部分电路欧姆定律。
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举一反三
【单选题】This course is to provide a brief introduction to:
A.
various activities can be used in English class
B.
different methods to teach English
C.
thoeries that guide English teaching
D.
the process of teaching English
【单选题】Why does the author introduce Abstract Expressionist painter?
A.
He wants to provide an example of artists who, like serious contemporary photographers, disavowed traditionally accepted aims of modern art.
B.
He wants to set forth an analogy between the Abstract Expressionist painters and classical Modernist painters.
C.
He wants to provide a contrast to Pop artist and others.
D.
He wants to provide an explanation of why serious photography, like other contemporary visual forms, is not and should not pretend to be an art.
【单选题】Why does the author introduce Abstract Expressionist painter?
A.
He wants to provide an example of artists who, like serious contemporary photographers, disavowed traditionally accepted aims of modem art.
B.
Be wants to set forth an analogy between the Abstract Expressionist painters and classical Modernist painters.
C.
He wants to provide a contrast to Pop artist and others.
D.
He wants to provide an explanation of why serious photography, like other contemporary visual forms, is not an should not pretend to be an art.
【多选题】有关核酸的叙述,正确的有
A.
核酸的基本单位是核苷酸
B.
脱氧核糖核酸的英文缩写符号是 DNA
C.
核糖核酸的英文缩写符号是 RNA
D.
DNA 和 RNA 中的五碳糖相同
【单选题】关于核酸的叙述正确的是( )
A.
只有细胞内的核酸才是携带遗传信息物质
B.
DNA分子中两条脱氧核苷酸链之间的碱基一定是通过氢键连接的
C.
分子大小相同、碱基含量相同的核酸分子所携带的遗传信息一定相同的
D.
用甲基绿和吡罗红魂和染色ＳＡＲＳ病毒可观察到DNA和ＲＮＡ的分布
【单选题】Why does the author introduce Abstract Expressionist painter?
A.
He wants to provide an example of artists who, like serious contemporary photographers, disavowed traditionally accepted aims of modem art.
B.
He wants to set forth an analogy between the Abstract Expressionist painters and classical Modernist painters.
C.
He wants to provide a contrast to Pop artist and others.
D.
He wants to provide an explanation of why serious photography, like other contemporary visual forms, is not and should not pretend to be an art.
【简答题】服装外轮廓构造的几种常用方法:自然物象的借用、( )、( )。
【简答题】The information (provide)_______ by the company is a brief summary of benefits
【单选题】Students taking the entrance exam are required to provide their student______ number.
A.
identify
B.
identifiable
C.
identifiably
D.
identification
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