[讨论]天山-4-30

Unlike the short flights of the shuttle and earlier spacecraft, which carried sufficient power in fuel cells and batteries, a permanently orbiting space station will have to generate its own electricity.

B: the shuttle and earlier spacecraft, with sufficient enough power in fuel cells and batteries for their short flights

D the shuttle and earler spacecraft, which were capable of carrying sufficient power in fuel cells and batteries for their short flights.

D 是对的.

我想确认一下with 的用法在B 中不是被排除的依据.

B 我认为with的修饰没有歧义, 错在sufficient和enough 重复了.

D 我记得只有人可以用be able to, can 来修饰.

   物体可以用be capable of doing 来修饰吗?

我觉得with在B中是不对的. 给人感觉它有修饰obiting space 的歧义.

我觉得人也可以用be capable of doing, 物也可以用be able to. 有时侯很难从这一点判断对错.

同意lilyzy关于with 的看法

不同意两位对with的看法:

with sufficient enough power in fuel cells and batteries for their short flights

A 中的their决定了with修饰的不可能是obiting space station. 所以没有歧义.

Lilyzy, 我记得og多次提到物体不能用be able to修饰. 人是肯定能用be capable of 修饰的,但我不知道物体能不能. 之所以问这题,还有个原因如下:

gwd11-33题,在A E中大家举棋不定, 我在想如果be capable / have capabiltiy不能修饰物体的话, 就能顺利排除e了.

天山新题20-6.gwd-13-6.11-33, 天山5-6:

       After more than four decades of research and development, a new type of jet engine is being tested that could eventually propel aircraft anywhere in the world within two hours or help boost cargoes into space at significantly lower costs than current methods permit.

(A) tested that could eventually propel aircraft anywhere in the world within two or help

(E) tested, and it could eventually have the capability to propel aircraft anywhere in the world within two hours or help

open to discussion

我觉得Windweed提出了很好的一点. 可是我觉得, with还是会有歧义. 而且their 没有clear referent.  their完全可以指代cells and batteries.

GWD的题E的错误是could 和have capability意思是重复.

好像有enough的答案一般都不对（OG有出现enough,不过在未划线部分）。

be able to（人）优于be capable of（多用于人）; be able to be done必错。

have ability to优于have capability to

can和be able to, be capable of, have ability to, have capability to等意思都一样，同时出现就是重复，必错。

感觉B的with在这里没有歧义，判断代词指代最重要的是逻辑意思，这里的逻辑意思很清晰，their指代的就是前面的the shuttle and earlier spacecraft

谢谢大家, 这两题我搞定了.

I just looked up the dictionary "Collins" ,which says " IF a person or a thing is capable of doing something, they have the ability to do it." ;

So, be capable of 可以用在人,亦可用在物上。