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问题 句子动词开头无主语的情况有哪些

句子动词开头无主语的情况有哪些  如 Keep on working hard， and someday you'll be successful  为什么可以没有主语

问题 句子分析

I had to be wheeled across the coutyard on a gurney. As we emerged from our unit the sun light hit me. That is all there was to my experience. Just the light of the sun. 问题：不明白“That is all there was to my experience.” 这句话的语法成分。“That is all there”是主...

问题 有时间参照的完成时用法

请问一下。Before my sister went for her interview, she researched the company on the Internet and consulted a few people.句中从句before有时间参照，为什么主句不用had researched呢？希望老师帮忙，谢谢了！

问题 did sightseeing是什么用法

Kristin Diehl conducted a series of experiments on photo-taking to find out whether people enjoyed it when they did sightseeing.过去式did后面为什么用ing形式（有did doing句型吗）？

问题 since引导时间状语从句

...直在干嘛。而不能用于“已完成的影响用法”，He’s put on a lot of weight since he gave up smoking. 他戒烟后体重增加了许多。　　

问题 句子成分分析

I wish to die while still at work,knowing that others will carry on what I can no longer do, and content in the thought that what was possible has been done.这里content可以和knowing并列嘛？content是形容词。后面那个that what...又是什么结构？还请老师们指教！

问题 Take在比较中的用法

原句：Mars takes longer to revolve on its axis than the earth.翻译：火星自转一周的时间比地球长。按理来说句子主语应该是'火星'，而不是‘时间’.我先请问大家这是什么用法？

问题 for的含义理解

This building is a glorified incubator for every infection on the plant.这本句出的翻译是“这栋建筑是美化后的用来隔离地球上各种感染的恒温箱”，但原英文并没有表示隔离意义的单词，为什么会有“用来隔离”这几个字呢？难道这是因为for...

问题 关于up的疑问

...里摘抄的一句话，请看：For more than 10 years, suicide rates among students aged 10 and up in the U.S. have been on the rise. 10多年来，美国10岁及以上学生的自杀率一直在上升。请问这里的up是什么词性？省略了什么成份？谢谢老师！

问题 句子结构

So can the movements of aphids when, having depleted the young leaves on one food plant, their offspring then fly onward to a different host plant, with no one aphid ever returning to where it started.这句话前面是根据上文省略了动词并且倒装了吗，后面when这里为什么有逗...

问题 mirror用法

"The regression of braincase sinuses in thallattosuchians mirrors that of cetaceans, reducing during their semi-aquatic phases and then diminishing further as they became fully aquatic," Mark Young, the paper's lead author said in a statement on Wednesday.这句话的mirror是不是和什么一样...

问题 大学英语作文（批改）

Easy come， easy goWe always encounter unfavorable situations in our life, such as breaking up with friend, losing money or failing in project. When these happen, an old saying probably occurs to us: easy come, easy go. However, we may wonder why something easy to get are also easy to lose?We think...

问题 for anyone living to eat it 是实际主语还是状语

In the early morning, the food that had been laid out for the dead is thrown into a river or into the sea as it is considered unlucky for anyone living to eat it. as it is considered unlucky for anyone living to eat it.这个状语从句中：我的理解是：it 主语，指的是food；is conside...

问题 如何理解no stranger than = 应该是等于as familiar as的意思吗？

But how strange it was that the creative instinct should seize upon this dull stockbroker, to his own ruin, perhaps, and to the misfortune of such as were dependent on him; and yet no stranger than the way in which the spirit of God has seized men, powerful and rich, pursuing them with stubborn vigi...

问题 if 条件句的理解与翻译

If I can stand back up, the race goes on. 请问这句话是 if 引导的条件句吗？另外 stand back up 怎么翻译呢？