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  3. The fear of rabies is well founded; few people are known to recover from the disease after the appearance of the clinical sympto

The fear of rabies is well founded; few people are known to recover from the disease after the appearance of the clinical sympto

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问题 The fear of rabies is well founded; few people are known to recover from the disease after the appearance of the clinical symptoms.
选项 A、few people are known to recover from the disease after the appearance of the clinical symptoms.
B、few people are known to have recovered from the disease once the clinical symptoms have appeared
C、there are few known people who have recovered from the disease once the clinical symptoms have appeared
D、after the clinical symptoms appear, there are few known people who have recovered from the disease
E、recovery from the disease is known for only a few people after the clinical symptoms appear
答案B
解析 原句的大意是：对狂犬病的恐惧是有道理的，(因为)自从这种临床症状出现后，极少数患者能够从此病中恢复。由此可推断出recover这个动作必定在know之前，因为假如“没有患者已经恢复，人们怎么可能知道呢”?同时，原句还强调了“自从这种临床症状”出现以来，这一延续性的动作，因而A错在：(1)to recover未能表示出此动作发生在know之前；(2)after短语表达极其模糊，不具体，不知appearance与victims有何关系，从而不能紧密地与动词不定式联系起来。D、E中的after状语从句不能表示这一延续性动作；E中还有一错误是改变了原意，由原来的few变为了a few，犯了原则性错误。B、C中的once the clinical symptomshave appeared清楚地表达了此“延续性动作”，但C中的there are few known people who haverecovered from the disease比起B中的few people are known to have recovered from the disease，显得过于冗长、笨拙，因而选B。
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