OG12-73 求版主帮帮忙

aeoluseros

taken by N修饰path，其中taken是被动语态的缩略(path that is taken by N as a species).

所以这个句子的意思是"N作为一个种族所采用的进化路线"

guduliumang

楼主或其他ＮＮ们都在不，麻烦能不能解释一下，为什么用to have been equipped而不用as equipped呢．我后天就考试了．ＯＧ的解释看不懂急呀

谢谢．

红尘道士

版主精辟，茅塞顿开

aeoluseros

楼主或其他ＮＮ们都在不，麻烦能不能解释一下，为什么用to have been equipped而不用as equipped呢．我后天就考试了．ＯＧ的解释看不懂急呀

谢谢．

-- by 会员 guduliumang (2009/12/9 14:52:03)

appear as equipped的逻辑含义不对. appear as是"作为...出现(表现为)"
比如：He was billed to appear as Macbeth.

ageng

明白了很多，不过还有个问题不解：
发现选项中appear as后面都跟equipped，而appear to后面都是have been equipped
后者明显是被动语态，而者看起来像个分词。但从A的解释中As equipped indicates that Neanderthals still appear this way;可知appear as equipped是现在时被动。正确答案应表达为过去时+被动。所以我觉得应该是had been equipped，或者was equipped（当然从后面的could、let都是过去式看这里用过去完成应该更好）可为什么答案用的是现在完成时呢？

prayer

by default, "appear" is in the present tense, since we're talking about the way these things appear to present-day observers.

if there were a context that would place "appear" in the past, then you could use the past tense. for instance: to nineteenth-century observers, they appeared to have been equipped...
but, absent such a context, you should go with the present, for simplicity (the default assumption is that this "appears" to be the case to present observers).

--

in this case, you've also got parallelism between "appear" and "indicates", two descriptions that both describe observations made in the present.
since "indicates" is not underlined, that determines the tense context. so your other observation, which is made at the same time, should be parallel to it.
_________________
ron purewal

instructor, mgmat

Jasonhere

appear接to do/be，不直接跟that，除非it appears that

加州女孩

请问版主，appear as 我觉得逻辑意思上也说得通啊，为什么不行呢？可以用appeared as表示以前呈现的形态啊，为啥不可以呢？

imagelan

Prayer 的解释很有道理。终于明白了为什么appear 要用现在式。但是，还有一个疑问appear to do 和 appear as 有什么区别呢？appear as 在朗文上也没有查到。

而且，还有一点不明白的就是appear as equipped中equipped很容易误以为是过去式，我觉得可能还是对as equipped这种结构比较陌生. as在这里是介词吗？怎么理解介词+Ved这种形式呢？

先谢谢了~~

红尘道士

本题答案C最难判断，以下是本人思考结果，共参考
appear as （they are）equipped to face any  obstacle the environment could put in their pahts
明显equipped省略了they are ，因为they were是不能够省略的，而这个时态与could不符合