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【单选题】
街头拦截访问法属于以下哪种抽样方法A.
简单随机抽样
B.
方便抽样
C.
机械抽样
D.
判断抽样
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】有一晶闸管的型号为KK200－9，请说明KK快速晶闸管；200表示表示（），9表示900V。
【简答题】施工总平面图是根据工程的( )，按照施工方案和施工进度的要求所做出的规划布置。
【单选题】English differs from Spanish in ______ it is not pronounced as it is written.
A.
what
B.
that
C.
this
D.
which
【单选题】It can be inferred from the passage that the author would be most likely to agree with which of the following statements ______.
A.
A truly great thinker makes no mistakes
B.
Periods of intellectual achievement are periods of unorthodox reflection
C.
The refutation of accepted ideas can best be provided by one's own teachers
D.
excessive controversy prs clear thinking
【简答题】施工总平面图设计的原则要求是什么?
【简答题】有一晶闸管的型号为KK200－9，KK表示 。
【单选题】It can be inferred from the passage that the author would be most likely to agree with which of the following statements about schools?
A.
They should present political information according to carefully planned, schematic arrangements.
B.
They themselves constitute part of a general socio-political system that adolescents are learning to understand.
C.
They are ineffectual to the degree that they disregard adolescents' political te.
D.
Because they are subs. diary to government, their contribution to the political understanding of adolescents must be limited.
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