我在TOEFL长难句资料上看到这样一句话:During the 1940's electron microscopes routinely achieved resolution better than that possible with a visible light microscope, while the performance of x-ray microscopes resisted improvement. resolution:分辨率。 我的疑惑...
1)Do you
have any plans for the weekend ?2)My school
has fewer weeks off for the summer holiday than Mike's.3)I have one
hour for my hobbies at most every week.4)I have one
hour for playing computer games every week.5)We have an
hour for homework. (比较We have an hour of homwork.)上面...
我在前面的一个问题中发现有下面这个句子:The rich can live through one thousand times’ failure, but the poor
can't live through one time’s failure.我总感觉 one thousand times’ failure 和 one time’s
failure 的用法有些奇怪。请问这样的所有格用得对吗...
...前的一般时态”还是“之前的完成时态呢”?比如he seems to have been ill.这个不定式完成态是表示1.that he was ill then,即那时病了,现在病没病不知道,只是纯粹的表示之前一般动作。还是2.that he has been ill,过去生病,现在还病着,即...
...,还望老师能予以解答。It is a pity that we should have missed the show.这个句子中出现了情态动词+have Ven这个结构。我看语法书上说这种结构有两种含义:1.在表达意愿及能力时,情态动词+have Ven这个结构表示 a.相对过去的时间 b.非事实...
如下面这句:We had the machine repaired. 我们请人修理了机器。可以这样改一下吗?We had the machine repaired by Mr Wang. 我们请王先生修理了机器。我的意思是:在have sth done 结构后可以加上 by 短语来说明动作的执行者吗?即具体指明是某...
...应与句中的谓语动词一致,但有时可能表示不同的时间:The only car repaired by the mechanic is mine.这句话中的repaired可能是that is being repaired,但也可能意为that is repaired, that will be repaired 或 that was repaired, 当然,确切意义一般要从特定...