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问题 过去分词作状语

 But with AI, computers learn to find cancers based on the actual results of thousands of mammograms. 1. based on the actual results of thousands of mammograms 是状语还是后置定语？2. 分词作状语必须与主句用逗号隔开吗？

问题 现在分词的作用分析

The small device had four suction cups on it, permitting it to remain on the whale for several hours. 这个句子中的 permitting 是不是作状语？它修饰哪个词？ 它的逻辑主语是什么？

文章 高中英语新课标词汇-教学参考资料-take notes

...】记笔记，做笔记【学习要点】1. 用法说明与举例I read the first chapter and took notes. 我阅读了第一章并作了笔记。His secretary took notes during our meeting. 他的秘书在我们开会时做了记录。Don’t rush through the chapters; take notes as you read. 不...

问题 比较级句型中替代词that后面所接介词的区别

The weather in Beijing is colder than ____ now.A. that in Shenzhen   B. that of Shenzhen   最佳答案是 A，为什么不能用 B 呢？某语法书上有一例句 The climate of Beijing is colder than that of Hainan.请专家老师为学生解惑，谢谢。

问题 请问句中的a North American opening weekend of是什么意思

"Batman v Superman: Dawn of Justice," opens in 4,200 theaters domestically this weekend and is projected to bring in a North American opening weekend of around $150 million, according to box office analysts.请问句中的a North American opening weekend of是什么意思？

问题 buzz是什么意思(除了嗡嗡声还有别的理解吗)

We haven't even nailed down self-driving cars yet, and now the buzz is all about flying cars.上句中的buzz是什么意思？经常看到buzz，可是在字典里查了就是嗡嗡声，能分析一下这个词吗？谢谢老师。

问题 on Fridays是“每周星期五”还是“大多数星期五”

对于 on Mondays, on Tuesdays, on Wednesdays, on Thursday, on Fridays, on Saturdays, on Sundays 等，其中表示星期的名词用的是复数形式，有的书将它们理解成“每周星期一（二、三、四、五、六、日）”，也有的书将它们理解成“大多数星期一（...

问题 过去进行时与过去完成进行时

She picked up a book. The book was lying on the table. 老师，您好！这个句子的时态有问题吗？后面一句为什么不用过去进行时呢？应该这样用才对吧：She picked up a book. The book had been lying on the table. 

问题 set和set down的区别

She set the tray down on a table next to his bed.这句话中我感觉down要不要都没有什么影响啊，set...on把某物放到某物上，可以把down删了吗，另外on的介词短语是宾补还是状语呢？

问题 定语从句介词加which问题

1. I bought many books，on which I spent all my money that I saved.这里为什么用on which?on which可以用哪个关系副词代替呢？2. The colorless gas without which we cannot live is called oxygen.什么用without which呢?without which可以用哪个关系副词代替？

问题 when后可以接名词吗

Unequal treatment can be justified when other considerations such as beneficence (the duty to do good and not harm others) outweigh the social justice principle or on the grounds that such unequal treatment will promote greater social justice. on the grounds that前面应该有个be动词才符合...

问题 引语中的时态问题

—What did Tom said to you just now, John?—He asked _______.A.why I am so happy todayB.What will I do for the weekendC.who did I play football withD.If I could go to the movie with him tonightD选项显然是正确答案。但是，我认为A选项也应该可以。A选项，表示转述时间与...

问题 我的英译汉对吗？to regret做什么成分？

 If we don't act now to protect the environment, we’ll live to regret it.1.如果我们性质不行动起来保护环境，我们将来为遗憾这件事生活。2.to regret做什么成分？

问题 have expectation on sth.介词为什么用on不用in

这是个固定搭配吗？不是的话为什么不用In.原句：These people might have higher expectation on their developments in urban area.

问题 with复合结构可以用作表语吗

Years of experience in the industry—and failed attempts to use technology—have convinced him that the best way to check cattle is with a man on a horse.这是2021年新高考全国卷2阅读理解D的一个句子。前面一个网友问了 failed 的用法。但我觉得这里还有一个用法...