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【简答题】
如图,电量为 q 的点电荷位于立方体的一个顶点 A 上,则通过上表面 ABCD 的电场强度通量为 ,通过左侧面的 电场强度通量为 ; 通过整个立方体的电通量 。
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【单选题】Which of the following statement about “proposition” is not true?
A.
A proposition is a reason used to support the position.
B.
A proposition can be a fact or an opinion.
C.
A proposition should be a fact.
D.
A proposition may be further supported by evidence.
【单选题】How high is this building?
A.
100 miles.
B.
10 years ago.
C.
Twice a week.
D.
10 minutes.
【单选题】A complex proposition consists of:
A.
Two atomic propositions joined by “and”
B.
Two subjective propositions joined by “but”
C.
Two alliterative phrases joined by clever phrasing
D.
One very long proposition.
【单选题】Which definition of Value Proposition is correct?
A.
A value proposition describes your target markets, areas of expertise, product guarantees and methodology.
B.
A value proposition describes your pricing strategy and the proposed revenue it will achieve.
C.
A value proposition describes the benefits your product brings to customers and what customers receive versus what they are willing to pay.
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