按句意来理解，看时间状语，a short time before 这个时间说的是过去的时间，所以用过去完成时。如果时间状语改成Now，就应该用现在完成时了。Now,great trees have covered the countryside for miles around.对比理解一下。
按句意来理解,看时间状语,a short time before 这个时间说的是过去的时间,所以用过去完成时. 如果时间状语改成Now,就应该用现在完成时了.Now,great trees have covered the countryside for miles around 结果一 题目 A short time before,great trees had covered the countryside for miles around.为什么用过去...
A short time before, great trees had covered the countryside for miles around. 这句话用了过去完成时,表示cover 这个动作发生在“过去的过去”。看到后面一句话就知道,cover 是发生在rise 之前的。这两个都是过去发生的动作。由此,就可以知道这里的now 其实是相对于前面的过去完成时而言的,now 其本身也是一...
新概念2 lesson 62 中一句话 a short time before,great tress had covered the countryside for miles around。 网校学员摩托姐**在学习低起点直达CATTI二级(笔译+口译)【全额奖学金班】时提出了此问题,已有1人帮助了TA。 网校助教 美乐迪助助 同学你好,该知识点来自沪江网校《低起点直达CATTI二级(笔译+口译)...
,short-`term adj [usu attrib 通常作定语] of or for a short period 短期的: a ,short-term `plan, `loan, a`greement, ap`pointment 短期计画、 贷款、 协议、 任命.,short `time employment for less than the full working week 短工时雇用工作(每周开工不足者): workers on short time 短工时...
新概念2 lesson 62 中一句话 a short time before,great tress had covered the countryside for miles around。 网校学员摩托姐**在学习低起点直达CATTI二级(笔译+口译)【全额奖学金班】时提出了此问题,已有1人帮助了TA。 网校助教 杉田家的直司 同学你好,该知识点来自沪江网校《低起点直达CATTI二级(笔译+...
We use game theory concepts and tools to model the technology choices of firms that face a trade-off between the short-term profits from "dirty" technologies and the long-term benefits of a clean environment. When the nominal costs from adopting environmentally friendly technologies are "high eno...
副词作定语，后置 如：the people there那里的人
There are three kinds of goals: short-term, intermediate and long-term goals. Short-term goals are those that usually deal with present activities. Such goals can be achieved in a week or two, or possible months. It should be remembered that just as a bu
There are three kinds of goals:short-term.medium-range and long-term goals.Short-range goals are those that usually deal with present activities.which we can apply on a daily basis.Such goals can be achieved in a week or less.or two weeks.or possibly m