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8. 阿黴素(doxorubicin)是目前常使用的癌症治療藥物,阿黴素有幾個對掌中心(chiral center)? (A) 5 (B) 6 (C) 7 (D) 8

15. 氫原子的可見光譜中,明亮的紅色譜線最可能是由於電子在下列哪一軌域躍遷? (A) 2s → 1s (B) 2p → 1s (C) 3p → 2s (D) 4s → 3p

16. 造成臭氧層破壞的冷媒分子,主要是含有哪一種化學鍵結? (A) O-Br (B) C-Cl (C) O-Cl (D) C-Br

22. Interviewer: Paul, why do you want to find a part-time job? Paul: Prices are going up on almost everything. Honestly, I can't stand this anymore. My pocket money can no longer cover my expenses now.  Interviewer: I see. As a business major, _________.  Paul: I think it's partly because of the rising tariffs on imports and exports. Our economy depends on global trade. That probably makes prices go up. (A)what do you think causes this? (B)how do you find partners for this? (C)how are your expenses allocated? (D)what are the tariffs for each country?

23. Ethan: How was your vacation in the Netherlands? I heard you visited the floating farm in the Rotterdam port! Sandy: Fantastic! It's actually the world's first floating dairy farm. The farm suddenly becomes well-known worldwide. Ethan: _________I'm planning a week's paid vacation in Europe. Sandy: Look at this photo. Visitors are watching cows making milk on the water platform! The floating farm is now home to cows that live and graze on the farm. (A)Have your family gone swimming in the ocean? (B)Would you talk about the shrinking land problem? (C)Are flower products out of stock in the Rotterdam port? (D)Could you show me why the tourist spot is popular?

24. Roger: I'm struggling with this profit line graph for the first half of the year. Why did the profits drop in March? Rina: Well, do you remember we bought a new machine that month, about two million dollars' worth? We stopped production for a few days to replace the old machine. Roger: You made a good point! _________ Does that mean the investment worked?  Rina: Exactly! As you can see, the new machine increased our profits for the three consecutive months, all the way up from April to June. Our strategy really paid off. (A)The production has slowed down. (B)The graph you used had an error in it. (C)The profits peaked a few months later. (D)The line has continued to drop gradually.