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【单选题】
电动势的符号为( )A.
E
B.
I
C.
U
D.
P
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】A company should pursue unrelated diversification instead of related diversification when:
A.
its core skills are highly specialized and have few applications outside its core business.
B.
the company's top managers are skilled at acquiring and turning around poorly run enterprises.
C.
its core technological skills are applicable to a wide variety of industrial and commercial situations.
D.
it wants to maximize growth.
E.
the bureaucratic costs of implementation do not exceed the value that can be created by realizing economies of scope.
【单选题】A company should pursue related diversification instead of unrelated diversification when the company's:
A.
core skills are applicable to a wide variety of industrial and commercial situations.
B.
core skills are highly specialized and have few applications outside the core business.
C.
top managers are skilled at acquiring and turning around poorly run enterprises.
D.
main objective is to maximize its growth.
E.
free cash flow is high enough that it has funds available for investment.
【单选题】________________ the living standard, people care more about the quality instead of the quantity of what they eat.
A.
With the improvement of
B.
With the elevation of
C.
With the growth in
D.
All of the above are correct
【单选题】使用滑油分油机时,一般掌握被分离滑油的温度为______,分离量控制在额定分离量的______左右。
A.
38℃ / 30％
B.
82℃ / 30％
C.
82℃ / 50％
D.
38℃ / 50％
【单选题】关于拉结筋布置做法错误的是( )。
A.
拉结筋的数量为每 120mm墙厚放置一根直径为6mm的钢筋
B.
拉结筋的间距沿墙高不得超过 500mm
C.
拉结筋的埋入长度从墙的留槎处算起，每边均不得少于3 00mm
D.
拉结筋的末端应有 90度的弯钩
【简答题】请说出哪些货物属于四类包裹。
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