找到约 5000 条结果

问题 逗号后面的mindful of是什么结构

For the better part of a century, most biologists have been reluctant to use those words, mindful of a principle of evolution that says ‘evolution cannot run backwards’.mindful of...是什么结构？书上说这是独立主格结构，我不太明白......

问题 seed是名词还是动词

...seed是名词还是动词？上下文： China has gained recognition for its pioneer work on true potato seed. The history of true potato seed (TPS) in China dates back to 1959 when research was started. Now in china an area of 2500 acres is sown to seed.

问题 if条件句中使用了should be是什么用法和含义？

...y be of flesh and blood， may they not？ There are two questions waiting for us at the outset. The one is whether any crime has been committed at all； the second is， what is the crime and how was it committed？ Of course， if Dr. Mortimer's surmise should be correct， and we are de...

问题 关于独立分词结构的疑问

... to enjoy our dinner together.3. The sun (having) set,we had to stop there for the night.4. Our luggage (having) arrived,l was dressed in a few minutes.查阅葛传椝惯用法词典，gone,come,arrived都可以作为形容词，但是，手头词典没有查到set作为形容词，表示“太阳...

问题 I Have A Dream演讲句子分析

...ed the Negro community must not lead us to a distrust of all white people, for many of our white brothers, as evidenced by their presence here today, have come to realize that their destiny is tied up with our destiny.问题3：as evidenced by their presence here today这里的as是关系代词指...

问题 go looking / went looking的说法对不对

...ees so the animals could seek shelter during the daytime. He turned to the forest department for help but was told that nothing would grow there. However, Molai went looking on his own and discovered a nearby island where he began to plant trees. 我对其中的went looking 不理解。好像语法...

问题 在表示继续时 continue (on)/ go on /carry on 有什么区别?

如: The rain went on continued for three days.      The trial continues on Monday.请问以上例句,为什么前者用continue 而后者需要加上on? 这样的句子可以用go on , carry on代换吗?

问题 归属性和确认性表语的判断问题

...语是哪一种？如A plane is a machine that can fly；A knife is a tool for cutting with.弄清楚这个问题不为别的，主要是为了更好地理解句子的意思。期盼老师的指点。

问题 现在分词做定语还是状语

...nkton species in the laboratory and then computing community grazing rates for field conditions using the known population density of grazers.句意：由吉恩所进行的研究，对自然条件下的群落捕食速率进行了估算，其手段是通过测量出实验室内单独的浮游动物...

问题 when, as, while, since的区别

_____ Tom waited for the exam result, he became less and less patient.  A. When    B. As      C. While   D. Since 答案为 B。请解释一下 when 与 as 的区别，谢谢！

问题 ing做主语和to do做主语的区别

Missing the train means waiting for another hour.这句话的missing 可不可以改成 to miss。ing做主语和to do 做主语有什么区别。

问题 同一个句子三个that的作用

Although scientists have known for a long time that about 2% of people suffer from face - blindness, which means that they have huge problems recognising faces, they are only new realising that some people are the exact ones.这三个that的作用是什么呢？

问题 非谓语动词done和being done辨析

The man kept his eyes ____ on his baby for quite some time.A fixed   B being fixed请问这里为何用A ，非谓语动词做宾语不是只能用to do 或 doing 吗？

问题 区分when引导定语从句和时间状语从句

Do you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we didn't know for sure?这句话并不缺成分，为什么when引导的是定语从句而不是时间状语从句？

问题 请教介词短语修饰的成分

This attack was retribution for generations of atrocities committed by A against innocent B.The impacts have wreaked havoc on power, transportation, and desalinization infrastructure far beyond the immediate blast zones.1.第一句话有两处理解不好：1)generations of atrocities中of在...