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針對一些題目可能有疑問但卻缺少討論，阿摩主動幫大家尋找最佳解!
懸賞試題多達20萬題，快看看是否有自己拿手的科目試題，一旦你的回應被選為最佳解，一題即可獲得10顆鑽石。
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** 所有鑽石收入，都會有10%的手續費用
近期考題
【非選題】
【題組】
Problem 4 (10%)
Attached is the phase diagram of
a binary A-B system at 101.3
kPa.
【題組】
(c) Draw the curves of Gibb free energy Vs. composition for both gas and liquid phases at 75℃.
【非選題】
9. (7 points) Given a set S of n numbers, the k-partition problem is to determine whether or not S can be partitioned into k subsets of the same sum. For example, let S ={1,2,9,12,18}. Then for the two-partition problem, we indeed can partition S into two subsets S1 = {1,2,18} and S2 = {9,12} such that the sum of all elements in S1 equals to the sum of all elements in S2. In fact, it can be proved that the two-partition problem is NP-complete. In the situation where the two-partition problem is already NP-complete, please prove that the three-partition problem is also NP-complete.
9. (7 points) Given a set S of n numbers, the k-partition problem is to determine whether or not S can be partitioned into k subsets of the same sum. For example, let S ={1,2,9,12,18}. Then for the two-partition problem, we indeed can partition S into two subsets S1 = {1,2,18} and S2 = {9,12} such that the sum of all elements in S1 equals to the sum of all elements in S2. In fact, it can be proved that the two-partition problem is NP-complete. In the situation where the two-partition problem is already NP-complete, please prove that the three-partition problem is also NP-complete.
9. During the secondary succession in the forest, with time the number of woody species________.
(A) decreases, being highest at the initial stages of the succession.
(B) increases and then levels off, being highest in the climax vegetation.
(C) does not change - pioneer species at the early stage of the succession are slowly replaced by the same number of climax species in the late stage.
(D) is unpredictable and depends on the forest system under study.
(E) none of the above.
(A) decreases, being highest at the initial stages of the succession.
(B) increases and then levels off, being highest in the climax vegetation.
(C) does not change - pioneer species at the early stage of the succession are slowly replaced by the same number of climax species in the late stage.
(D) is unpredictable and depends on the forest system under study.
(E) none of the above.
【非選題】
(二) 單一選區相對多數制常被認為會發生當選者未能得到過半選票，因此正當性不 夠。在單一選區中，請提出兩種選舉制度的設計，使得當選者一定能夠得到過半 選民的支持，並說明該兩種制度是如何設計的，以及有哪些國家採行？這樣的選 舉制度雖然有其優點，但也可能有那些缺點﹖試申述之。(25 分)
(二) 單一選區相對多數制常被認為會發生當選者未能得到過半選票，因此正當性不 夠。在單一選區中，請提出兩種選舉制度的設計，使得當選者一定能夠得到過半 選民的支持，並說明該兩種制度是如何設計的，以及有哪些國家採行？這樣的選 舉制度雖然有其優點，但也可能有那些缺點﹖試申述之。(25 分)
【非選題】
1.(15%) Two persons are involved in a situation where the public good, G, is privately provided. The utility function of each individual is denoted as ui(G,x) = ai InG + xi, for all i = 1,2 where x is a private good. Denote gi as the amount of the public good contributed by the individual i such that G = g1 +g2. Each individual's budget constraint is shown as xi + gi = my. Assume a1 ＜ a2. How much will the individual 1 contribute, i.e. g1, in equilibrium?
1.(15%) Two persons are involved in a situation where the public good, G, is privately provided. The utility function of each individual is denoted as ui(G,x) = ai InG + xi, for all i = 1,2 where x is a private good. Denote gi as the amount of the public good contributed by the individual i such that G = g1 +g2. Each individual's budget constraint is shown as xi + gi = my. Assume a1 ＜ a2. How much will the individual 1 contribute, i.e. g1, in equilibrium?
【非選題】
4. Sundar Pichai, Google's boss, has described the developments in Artificial Intelligence (AI) as "more profound than fire or electricity". However, it has been found that Al's progress has lagged in many companies. For exarple, the self-driving lorry firm Starsky Robotics based in San Francisco, closed down in March 2020. Its founder, Stefan Seltz-Axmacher, stated that the driverless cars show the limits of today's AI. To effectively develop AI-based driverless cars, what people, organization, and technology issues need to be addressed? (15%) Considering the driverless cars, what trends do you see pushing or hindering innovation in AI technologies? (5%)
4. Sundar Pichai, Google's boss, has described the developments in Artificial Intelligence (AI) as "more profound than fire or electricity". However, it has been found that Al's progress has lagged in many companies. For exarple, the self-driving lorry firm Starsky Robotics based in San Francisco, closed down in March 2020. Its founder, Stefan Seltz-Axmacher, stated that the driverless cars show the limits of today's AI. To effectively develop AI-based driverless cars, what people, organization, and technology issues need to be addressed? (15%) Considering the driverless cars, what trends do you see pushing or hindering innovation in AI technologies? (5%)