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【单选题】
物体受平面内三个互不平行的力作用而平衡,三个力的作用线( )A.
必交于一点
B.
必交于两点
C.
必交于三点
D.
交于一点、两点、三点都可能
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【简答题】条基混凝土及钢筋计量与计价案例.docx
【单选题】The postal rule is an exception to the principle that acceptance must be communicated. Which of the following is/are requirements for the postal rule to apply?(1)The letter must be received by the off...
A.
(1) and (2) only
B.
(2) and (3) only
C.
(2) only
D.
(1), (2) and (3)
【单选题】If Jenny is charged with petit theft of Fisher’s food, a misdemeanor, the court should rule
A.
Jenny is not guilty because she was acting under the direction of Joey.
B.
Jenny is guilty because an otherwise criminal act cannot be justified by threats of starvation.
C.
Jenny is not guilty because there was no “carrying away" of Fisher's food, and hence no completed theft crime was committed.
D.
Jenny is not guilty if a reasonable person would have regarded the theft as essential to avoid starvation.
【简答题】What is the rule for palyers to play table tennis?
【单选题】Consider a variation on the Koch curve. Start with a line segment of length L. The iteration rule is illustrated below, where each segment is replaced by five segments, each of length 1/3 the origin...
A.
(25 / 9) L
B.
(10 / 6) L
C.
(9 / 5) L
D.
(16 / 9) L
E.
(10 / 9) L
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