What genetic modification
seeks to do is modifying corps in a more planned way than is possible by merely
selecting healthier seeds or by producing hybrids of successful plants.这里than后面的is为什么不省略?
人教版英语新教材必修二第三单元课文中有这样一句话(p28):The Internet has done much more for people than simply make life more
convenient.请教:这里的than是什么词性?是连词吗?那后面省略了什么?make为何用原形?而不是has made或者 makes?
Miss Gain said the Red Cross _________ (start) in 1863.我记得start, begin, finish, end等不能用于被动语态,但是这道题给的答案是was started。请问正确答案应该是was started还是started?为什么?谢谢!
一道中译英题目:从他的反应来看,他似乎已经完全忘记了之前的承诺,这让我们实在想不通。(appear)Judging from his reactin, he appeared to have forgotten his previous promise......这里为什么不能写成he appeared having forgotten呢?
1.为什么be done中的be是助动词?而have been done却是系动词?
2.我们知道主系表结构可以倒装。但是表示被动饿也叫主系表结构吗?比如:the picture is fixed on the wall可以说成fixed on the wall is the picture.但是前面那个is是助动词,不是主...
曹老师,您好,我读了您的 [比较分句than what中what保留还是删去] 文章后,今天读外刊遇到一个句子,It argues that
the bet against subprime mortgages was far riskier than is often appreciated. 这里的比较项应为形容词比较级riskier,但than分句中缺...
原句:When she heard the shot , she dashed there at once only to find a baby elephant shot dead.在to find这个不定式句子中 to find已经是谓语了,但是后面的shot是个什么成分,后置定语的话不应该是过去分词shotted吗?
...间之后或经过一段耽搁之后。如:At last, she got her wish. 她的愿望终于实现了。She has at last got everything ready. 她最后把一切准备好了。As was expected, he
succeeded at last. 正如我们所料,他终于成功了。At last the bus came. I had been waiting for h...