OG27 SOS！

坤kun

Paleontologists believe that fragments of a primate jawbone unearthed in Burma

and estimated at 40 to 44 million years old provide evidence of a crucial step along the evolutionary path that led to human beings.

(A)at 40 to 44 million years old provide evidence of

(B) as being 40 to 44 million years old provides evidence of

(C) that it is 40 to 44 million years old provides evidence of what was

(D) to be 40 to 44 million years old provide evidence of

(E) as 40 to 44 million years old provides evidence of what was

大家有没有印象这道题好像在prep破解上也出现过，我不记得了，但是我确实在哪里看到过estimate at，当时还专门提出来如果后面出现old是用at的一个标志~好像就是在语法笔记上看到的~~~
但是！！！OG官方解释A说estimated is incorrectly followed by at~~~~~
纠结了，莫非是我记错了？？可是我真的记得我在哪里做过这道题选的是at……求证~谢谢大家啦！！！

ykelly123

现在这个对lz来说一定不是SOS啦，但是还是理一下

lz说的都在prep08里出现过，不过lz有点记混了

一个是date：
有date at （xx years old) 意思是年份鉴定（比如说有100年历史），

date to (xx years ago), 意思是追寻到几几年（比如说是1900年的产物）。

另一个是estimate:
有estimate at，着重于这个估算的地点(at),

estimate to be, 就是着重于估算年份啦。

sunshengkun666

我应该知道LZ说的那道题，不过那道题是DATE AT啊

jameshzd

呵呵，Organizers estimated the crowd at 50,000. ：估计数量的整体的时候是用at，The tree is estimated to be at least 700 years old：估计一个年龄点是用to 吧

坤kun

不用找啦~我看到朗文上的例句了！
be estimated to be/have/cost etc
The tree is estimated to be at least 700 years old.
所以肯定不是at了……估计是这破脑子又记错了~
estimate something at something
Organizers estimated the crowd at 50,000.

坤kun

悲剧~我就是每天都记点乱七八糟的东西，又老是前后矛盾，所以时间长了真的就不记得是哪里看到过了~我再找找！

jameshzd

你找找看有没有 estimate at 的例句吗？我搞才google 了，好像没有列。。。。

坤kun

急~真的没有人记得了吗？