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【单选题】
凝固时在形核阶段,只有核胚半径等于或大于临界尺寸时成为结晶的核心,当形成的核胚半径等于临界尺寸时,体系自由能变化A.
大于零
B.
等于零
C.
小于零
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反馈参考答案：
举一反三
【单选题】______deals with how language is acquired, understood and produced.
A.
Psycholinguistics
B.
Socialinguistics
C.
Neurolinguistics
D.
Anthropological linguistics
【单选题】________ deals with how language is acquired, comprehended and produced.
A.
Sociolinguistics
B.
Psycholinguistics
C.
Pragmatics
D.
Morphology
【简答题】How do the learner factors potentially influence the way in which a second language is acquired?
【单选题】According to Usage-based view, other cognitive skills and social behaviors are acquired ____ language is acquired.
A.
in the same way
B.
at the same time
C.
after
D.
in a different way
【简答题】在绘制车站信号平面布置图时,按照规定将下行咽喉绘制在图纸的 [填空(1)]。
【单选题】The large majority of adults retain their ______ when the second language is acquired after puberty.
A.
accent
B.
information
C.
intension
D.
dialects
【单选题】设某物流企业的工作有A、B、C、D、E五个环节,总成本为1 000元,该企业计划在原有基础上进行改进,A环节计划增加投入100元,B环节维持原有水平,C环节计划节约70元,D环节计划节约150元,E环节计划超支20元,则其目标成本总额为( )。:
A.
900元
B.
920元
C.
1 000元
D.
1 020元
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