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问题 over which引导的是定语从句吗

It requires algorithms that first establish and then fine-tune the optimal period over which to do the sorting.老师您好，请问这里的over which是关系代词吗？引导的是定语从句？谢谢

问题 once是表示“有一次”还是“曾经”

Most page turners are piano students or up-and-coming concert pianists, although Ms Raspopova has once asked her husband to help her out on stage.上面一句是2021年新高考全国卷I（乙卷）的阅读理解B有这样一句。请问句中的 once 是表示“有一次”还是表示“曾经...

问题 现在完成时与一般过去时

After that, Manny knew he had a green light to call me Ploopy whenever he wanted, and that's what he's been doing all day.老师好！请问这里怎么不用现在完成时呢？前半句话怎么不用现在完成时，而是用了一般过去时呢？

问题 talk about后面可以接动名词吗

talk about后面可以接动名词吗？比如：We will talk about preparing for travel and how to make reservations for a trip.请再举例说明一下。参见高中英语新教材人教版必修一p23。

问题 定语从句

...in a region which, with the rise of the Chinese navy, is seeing growing demands on the US fleet.Which leaves US military planners with some big questions to answer in the coming weeks and months.Not the least of which is, how did this happen?请问，这是定语从句吗？这三个which的先行...

问题 2021高考英语浙江卷难句分析（阅读理解A）

...ere his comedic presence alone could make a movie a financial success even when movie reviewers would not rate it highly.上面一句摘自2021年高考英语浙江卷的阅读理解A。我有以下几个问题：1. a financial success 是什么意思？2. 句子结构如何分析？3. 句子如何...

问题 哪种句子结构更合适

Hi, I'm Jenny. Here are two nice photos of my family. My grandfather and grandmother are in the first photo. These are my parents, Alan and Mary. In the next picture are my brothers, Bob and Eric. These two girls are my sister Cindy and my cousin Helen. Coco is in my family, too.我认为本文...

问题 专八的改错题请教

...ized information，可以不改吗？ ③Rachel Trickett, honorary fellow and former principal of St. Hugh’s College, Oxford, says that the notion of a "lady" protects women rather than demeaning them.      问:为什么rather than前后的时态不一致呢？不需要...

问题 介词短语by the detestation...是前面被动语态施动者（即主语）吗？

...he legend commonly received has had no small share in the growth of Strickland’s reputation; for there are many who have been attracted to his art by the detestation in which they held his character or the compassion with which they regarded his death; and the son’s well-meaning effort...

问题 confused与confusing的用法区别（修饰look,expression,feeling）

...eling about him made him confused.③There was a confused look on his face when he met with confusing problems.这三句话中为啥分别用 confused espression、confusing feeling、confused look，到底什么时候该用什么? 懵了！

问题 独立主格中过去分词是否表被动的判断

The boy said，turning to the man, his eyes opened wide, and his right hand raised.你好，his 后面部分是做独立主格吗? opened 和 raised 是表被动吗，如果是，为什么表被动呢？眼睛睁得大，为什么不是主动?

问题 倍数的理解（down over three fold）

Technology and infrastructure expansion have led to bandwidth prices at record lows too, down over three-fold in the past five years. 请问这句话中,如果原价是100，现在是多少钱？

问题 为什么用am just finishing

--Are you still busy?--Yes, I ______ my work, and it won’t take long.A.just finishB.am just finishingC.have just finishedD.am just going to finish答案是b，为什么呢？谢谢

问题 这里的few of什么意思

... investigations on the only records that seemed to exist: birth, marriage, and death records. 中心词是97 percent 吗？

问题 关于伴随状语和分句的问题

...ng longer to fall asleep, spending more time in the light stages of sleep, and waking up more times during the night.请问粗体部分是伴随状语吗？划线部分是并列分句吗？