一、請解釋何謂抗藥性細菌(Antibiotic-resistant bacteria)，並說明畜牧場內抗生素濫用和抗藥性細菌的關連性，以及其對豬場的影響？(10分)

二、乾乳期的飼養管理在酪農牧場經營上，扮演極重要的關鍵，請回答下列問題:(1)試說明3項乳牛乾乳的目的為何？(6分)(2)請舉出2種乾乳的方法？(4分)

一、某公司投資100萬元生產新型環保杯，單位成本為150元，預期投資報酬率為20%，預期銷售量為5,000個，請計算：(1)其目標報酬訂價應為多少元？(5分)(2)若該公司採成本加成法訂價，成本加成率為60%，成本加成訂價應為多少元？(5分)

二、產品生命週期(Product Life Cycle, PLC)是指一項新產品從構思、進入市場到最終被淘汰的整個歷程，通常分為導入期、成長期、成熟期、衰退期四個階段。請說明：(1)當新產品剛進入「導入期」時，採取「吸脂訂價法」的主要目的是什麼？(5分)(2)以特斯拉(Tesla)電動車為例，當產品進入「成長期」時，企業在行銷策略上的具體做法為何？請列舉3項。(5分)

二、問答題：（50分）21. (13 points) Consider the NO molecule:(A) (3 points) Draw the most stable Lewis structure of this molecule. What are the oxidation states and formal charges of each element?(B) (5 points) Construct the molecular orbital diagram of NO. Use the following orbital potential energies to construct the MO diagram: N 2s: −25.56 eV, 2p: −13.18 eV. O 2s: −32.38 eV, 2p: −15.85 eV.(C) (2 points) Predict the bond order and the number of unpaired electrons of NO from your results of (A) and (B).(D) (3 points) Both NO⁺ and NO⁻ are well-known in inorganic chemistry. Based on the molecular orbital diagram results in (B), what are the bond orders of these two ions? Which one of these three would have the shortest N−O bond distance? Briefly explain.

22. (9 points) Fe(CO)₄Cl₂ has two isomers (A) and (B), determine the number of IR- and Raman-active C−O stretching vibrations for both. Is IR or Raman spectroscopy able to distinguish them? Show your work clearly to receive points.

23. (12 points, 4 points each) Using the angular overlap model, draw the d-orbital energy splitting diagrams and determine the energy differences between the d orbitals of the metal for the following geometries for monodentate σ-donor (L) ligands.(A) Octahedral ML₆ complex.(B) Trigonal planar ML₃ complex.(C) Square pyramidal ML₅ complex.

24. (6 points) The following molecule is a monoatomic B(0) molecule reported in 2024 by Pranckevicius and coworkers. The authors draw the following Lewis structure that has a partial double bond between boron and carbon and a radical on boron. List at least three experimental techniques that could be used to support their proposed structure and briefly explain your reasoning.

25. (10 points) The salt LiBr has a Li−Br distance of 275 pm (1 pm = 10⁻¹² m) and has the NaCl structure.(A) (3 points) Draw the unit cell of the molecule.(B) (2 points) How many atoms of Li and Br are there in a unit cell?(C) (2 points) Calculate the mass of a unit cell.(D) (3 points) What is the density of LiBr?

1. 黑穗狀醋栗(1)：___

2. 紫蘇(2)：___

115年 - 115 台灣糖業股份有限公司_新進工員甄試試題_畜牧：畜牧學#139063

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