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问题 not否定的疑问（望曹老师回答）

...eans that a DNA database may have a lot of data from some regions and not others, so a person's test results may differ depending on the company that processes the results.这里的and not others肯定不能分析成插入语语或补充语了，只能分析成并列，那么同样的问题，并列...

问题 分词短语后接分词短语是什么句子成分结构

At least 24 people in Northern India have been killed in the latest accident involving migrant workers traveling huge distances home after losing their jobs during the pandemic, about 35 others were injured. Anbarasan Ethirajan reports. 的involving migrant workers traveling huge distances...

问题 比较级的修饰语

In many ways, life has become far more comfortable and convenient in the past few decades.这里的 far 是修饰比较级 more comfortable 吧？这个 far 可以换成 much 吗？还可以换其他的副词修饰语吗？

问题 新三，lesson 7, 关于定冠词

John went to see his manager who sent the remains of wallet and the money to the special department of the Bank of England in Newcastle: the Mutilated Ladies!这句中的 the remains of wallet 为什么不写成 the remains of the wallet?还是两者都可以？

问题 最后一小句，为什么逗号后直接跟谓语动词double?省略主语的话不需要加上连接词and 吗?

Even as profits slumped, investors in the s&p 500 benchmark index earned 14.3% in 2020, about double the typical return over the past 20 years. 

问题 in computers与in computer有何区别

This job requires a lot of experience in computers / in computer.请问加s不加s有区别吗？

问题 分析：It is microwave safe.

请问教材有句话It is microwave safe. 这里 microwave safe是什么结构呢？

问题 close behind 分析

The kitten is following the cat close behind.close是作什么词性？和behind分别是什么成分？

问题 词序问题

Its four cameras also help to keep track of whereabouts on the hull the machine is.这里的whereabouts应该是名词才对，为什么要提到前面去呢？仿佛引导了宾语从句，该句话是否有误？

问题 句子结构分分析

Rice is the staple food of more than half the world's population.请问老师这个句子的后半部分怎么划分结构呢？

问题 “the very+名词”的用法和含义

The very first White House barrier a wooden fence was erected by Thomas Jefferson in the early 1800s.19世纪初，托马斯杰佛逊建立了第一个白宫屏障-木栅栏。请问老师这里的very是什么用法，怎么理解含义？ 去掉可否？

问题 it is said在句中的用法

My colleague, Mr. Hill, has a small but well-chosen library, where it is said he spends most of his spare time developing his mind.老师好！这句话中的it is said是插入语吗？

问题 it is +形容词+that虚拟语气

如It is important/ necessary/ strange that 后面的动词是(should) do，这里的do表示动词原形。但我看到有例句: It is strange that he (should) have made a mistake.请问这里have made是过去完成时，难道是算动词原形吗？

问题 形式主语问题

请问老师，这里的it是形式主语吗，to assess what the official was talking about是主语？a right moment是表语？it能理解为代词，表示“现在”吗？With the countries planning to reach an agreement,it is a right moment to assess what the official was talking about.&...

问题 It is not so much…as的句式分析

It is not so much his appearance I like as his personality. 这句话是强调句吗？怎么分析it is和I like的成分？It is not his appearance that I like so much as his personality? 其中so much…as是比较状语从句吗？怎么还原his personality后面被省略的部分？