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22. What major product would be obtained from following reaction?

25. In the following SN2 reaction which one would be predicted to be the fastest? (A) H2O + CH3Br → HOCH3 + HBr(B) OH- + CH3Br→ HOCH3 + Br-(C) H2S + CH3Br→  HSCH3 + HBr (D)SH- + CH3Br → HSCH3 + Br

26. Bis(2-ethylhexyl)phthalate, commonly abbreviated DEHP, is an organic compound with the formula C6H4(C8H17COO)2. It is sometimes called dioctyl phthalate and abbreviated DOP. Being produced on a massive scale by many companies, it has acquired many names and acronyms, including BEHP and di-2-ethylhexyl phthalate. Recently, the illegal use of the plasticizer DEHP in clouding agents for use in food has been reported in Taiwan, what is the structure of DEHP?

48臺灣的地方文化與產業豐富且多樣,反映了多元的歷史背景和自然環境,比較下列地方文化特色,何者描述正確?(A)鹿港:以藍染工藝著稱(B)美濃:以木雕藝術聞名(C)三峽:以客家花布製作聞名(D)大溪:以抽陀螺著稱

45. Which statement best reflects the author’s primary position in the final paragraph? (A) AI should replace traditional literacy practices in higher education. (B) AI use is unavoidable and therefore should not be restricted. (C) Higher education must preserve practices that foster independent, cognitively mature thinkers. (D) More advanced technological resources in universities could improve students’ AI literacy.

46. The author’s emphasis on “economic insecurity” in paragraph 1 primarily serves to _____. (A) explain why consumer debt was historically common (B) suggest that frugality is encouraged by religious beliefs (C) contrast survival-oriented societies with consumer-oriented ones (D) argue that scarcity inevitably produces social stability