UP
到底是A还是D?谢谢！
是D
have been known to have tasted 好象很多余啊
know to do sth ,这里要表达的就是:很少有人被得知是第一次吃了没有要更多的
谢谢蓝色泡泡，但是偶觉得这里似乎应该用完成式更好，因为完成式强调了不定式的动作发生在主句动作之前。看下面摘自语法大全：
1) 现在时：一般现在时表示的动词，有时与谓语动词表示的动作同时发生，有时发生在谓语动词的动作之后。
He seems to know this.
I hope to see you again. = I hope that I'll see you again. 我希望再见到你。
2) 完成时：表示的动作发生在谓语动词表示的动作之前。
I'm sorry to have given you so much trouble.
He seems to have caught a cold.
完成时：表示的动作发生在谓语动词表示的动作之前。
agree!的确从时态上看是先有吃不吃,再有知不知的
但这里我认为原句只是想传达一个客观存在的事实,用在:后作为一个证据支持前半句
而不是:很少有人被得知已经在第一次吃了却没再要的,象这样的"已经"好象不是原句想要表达的,也没有要在时点上比较,体现已经完成的含义
I agree.
这道题是D；
few people have been known to taste it for the first time without requesting more.
看这句话的表达few people要表达的意思是一个否定的意思，实际上没有人taste...这里用不定式强调动作还没有发生，而不能用现在完成时去强调动作已经完成。
1. The fear of rabies is well founded; few people are known to recover from the disease after the appearance of the clinical symptoms.
(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（B）
(E) recovery from the disease is known for only a few people after the clinical symptoms appear
这个答案可是B哦，怎么解释？？？？？
黑体部分划错了
The fear of rabies is well founded; few people are known to recover from the disease after the appearance of the clinical symptoms.
(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（B）
(E) recovery from the disease is known for only a few people after the clinical symptoms appear
接着顶！！！
我觉得应该是have tasted，不管是理智地分析还是语感，nn们来分析一下吧~~~
不定式的完成式用在不定式的动作发生在谓语动作之前。
而选项A中的have been known ,是个从过去到现在一直持续的动作，相对于have been known ，to taste it可能是过去、现在或将来发生的动作。
如果如此，是否如A中的few people have been known to have tasted it两个完成时态连用都会有问题呢？
黑体部分划错了
The fear of rabies is well founded; few people are known to recover from the disease after the appearance of the clinical symptoms.
(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（B）
(E) recovery from the disease is known for only a few people after the clinical symptoms appear
now i think it is D-- have been known to taste it
but i don't know how to explain it...
just feel 'have been known to have tasted it" is wordy and awkward..
the case above is not the same as the question
"few people are known to have recovered xXXX".........
gosh i am already out of my mind...need to take a break ..also need NN to help
19. Balzac drank more than fifty cups of coffee a day and died of caffeine poisoning; furthermore, caffeine did not seem to bother Samuel Johnson, the great writer and lexicographer, who was reported to have drunk twenty-five cups of tea at one sitting.
(A) furthermore, caffeine did not seem to bother
(B) however, caffeine did not seem to bother
(C) however, caffeine did not seem to have bothered
(D) furthermore, caffeine did not seem to have bothered
(E) in addition, caffeine did not seem to bother
ANSWER: B
为什么C不对？从逻辑上理解to have bothered应该是发生在seem(ed)之前，用不定式的完成形式不是很好吗？
难道是因为bothered所表达的过去的含义已经被did (not) seem已经表达了？
请各路高手指教，不胜感谢！
同問http://forum.chasedream.com/dispbbs.asp?boardid=23&id=16472 gemj 的問題
few people have been known to have tasted it for the first time without requesting more
1) As mentioned above, "few people" expresses a negative meaning which should not be considered sth. already happened.
2) taste is a one-time action, and it is restricted by the temporal adverbial modifier - for the first time. Besides, you can hardly imagine a scene that someone, to whom the sentence dedicatedly refers, has done the action - "taste".
3) awkward, have been known to have tasted, ambiguously instated two perfect tenses, which idea does the author want to transfer to the reader?
few people have been known to have tasted it for the first time without requesting more
1) As mentioned above, "few people" expresses a negative meaning which should not be considered sth. already happened.
2) taste is a one-time action, and it is restricted by the temporal adverbial modifier - for the first time. Besides, you can hardly imagine a scene that someone, to whom the sentence dedicatedly refers, has done the action - "taste".
3) awkward, have been known to have tasted, ambiguously instated two perfect tenses, which idea does the author want to transfer to the reader?
1) and 2) also can apply to "few people are known to have recovered from the disease once the clinical symptoms have appeared". so 3) alone is not gonna help.
Can someone find the original OG explanation?
up,eager for a compelling explaination.
why d can not be the answer?
now i think it is D-- have been known to taste it
but i don't know how to explain it...
just feel 'have been known to have tasted it" is wordy and awkward..
the case above is not the same as the question
"few people are known to have recovered xXXX".........
gosh i am already out of my mind...need to take a break ..also need NN to help
MM你其实已经发现了问题所在了
我想是不是用完成时由逻辑意思和文章中的时间点决定：
14题， 很少有人在第一次吃巧克力时不要更多。 第一次吃的时候是一个时间点所以不用完称时。
咖啡没有影响XX人， 这题文中没有关于完成时的时间， 所以用过去时。 而且didn't seem to bother 如果时完成时的话， 用hasn't seemed to bother就可以了。
在得了某个病后又好了得， 用完成时因为， 病好是在过去某一时间发生但没有确定时间。
我覺得這題除了大家討論的時態以外
有一個錯誤的地方...
因為五個答案中的"it"並不是一個很好的代名詞
因為題目中有love affair和chocolate兩個單數名詞
"it"will create ambiguity for readers
不知道各位覺得呢?
我觉得不用have tasted 的一个主要原因是是因为taste是一个瞬间动词而不是持续性动词的原因
一家之言..
so, which one should be the answer?
I am lost ...
maybe just cannot use two perfect tense together in an inf?
个人的意见：
这句话的意思是几乎没有人被知道吃过以后不要再吃的，这里第一个完成时态是指到目前为止没有这样的特例，所以是完成时态。而吃过以后不要再吃不是一个持续的动作，而是一个一次性的动作，不可能一直在吃，所以A不对。所以应该用不定式。冒号后面应该要跟的是一个完整的句子，所以B，E不对，C改变了句子的意思变成了没有什么人尝试过。
个人觉得这句话要表达意思是：还没有人被知道在第一次吃过之后不会在要更多。是一个一般的状态，用to taste 即可，而且 taste 似乎不是一个可以持续的动作。
A的意思是 还没有人被知道在第一次已经吃过之后而不会要更多，意思比较别扭
个人感觉还是D比较好。 陋见陋见
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