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39. 費雪投影式(Fischer projection)是一種常用的化合物結構表示方法。下列選項中,請問何者 是(2R,3S,4S)-2-bromo-4-methyl-3-hexanol 的正確結構?

32. A: Have you ever heard what happens to male chicks in the egg industry? B: No, what do you mean? A: They’re usually killed because they can’t lay eggs or be sold for meat. B: ___________________________ (A) That sounds horrible. I didn’t know that. (B) I think eggs are very expensive these days. (C) Wow! My family eats eggs every weekend. (D) Yes, chickens lay eggs.

33. A: My brother takes his kids to school, cooks dinner, and reads bedtime stories. B: That’s awesome. A: ___________________________ B: Sounds like the shift in fatherhood is real. (A) He didn’t like being home during quarantine. (B) He wants to spend less time at home now. (C) He works all weekend and avoids the kids. (D) He says the pandemic taught him how valuable family time is.

34. A: What do you think about reading your kid’s text messages? B: ___________________________ A: That’s fair. I suppose how we approach it depends on age and trust. (A) I think it’s useful at first, but too much surveillance can harm the relationship. (B) I believe kids should never have privacy until they’re 18. (C) I plan to read everything, even their school emails. (D) It doesn’t matter what they write—it’s their phone, their rules.

142. (A) ought (B) should (C) need (D) might

143. (A) bills (B) checks (C) prices (D) earnings