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问题 定语从句问题：demonstrate后面能跟定语从句吗

Numerical simulations are performed to demonstrate that the proposed scheme can guarantee the stability of closed-loop systems.我在demonstrate后面加一个定语从句来描述，不知道是否可以。中文意思：应用仿真来证明了提出的控制方案能够保证闭环系统的稳定...

问题 是否which引导名词性关系分句

I am not exactly sure of the rules and conditions related to a student loan and would appreciate it if you could send me the details for repayments, the interest rates applicable and the periods for which loans are available.曹老师，这里的which是不是做关系限定词引导名词性关系...

问题 动词need在否定迁移中如何与后面成分搭配

老师您好：有这样一道选择题：I don’t think he ______ a new bike.   A. need to buy      B. needs buy     C. need     D. need buy 答案是A，但是我认为C和D也可以，请求解析一下！ 

问题 pay his way through...如何理解

看到有一句话：He used the earning from farm to pay his way through earning a bachelor of science degree from the University of Nebraska. 字幕意思大概是：他用农场收益支付大学学费并获得理科学士学位。对于这句话这里为什么使用单词way和through及其含...

问题 signed proposal（signed是形容词还是过去分词）

Give the signed proposal to Mr Zhou.这是高中英语新教材译林版必修1第1单元的两个句子(p8)。这里的 signed 是过去分词吗？还是形容词？我在词典上没有查到它，说明它还不是形容词吧。

问题 of what 这种结构后面的东西怎么翻译比较通顺

A newly-passed law asks big fast-food chains to specify the calorie count of what they serve on the menu. 句中的 of what 这种结构后面的东西怎么翻译比较通顺?

问题 a piece of litter 的理解

Drop a piece of litter and can't bothered to pick it up.本句出自北师大高中英语必修第三册第8单元(p30)。英语用 a piece of paper / wood / metal / plastic / leather / cloth 等可以理解，但说 a piece of litter 感觉有些奇怪。如何理解 a piece of 修饰 litter？

问题 cook, cook rice, cook meal(做饭)的有区别

cook，cook rice，cook meal 表示“做饭”意思时，有区别吗?1.Tonight it's my turn to cook.2.I'll cook and you read the paper.

问题 may not be providing表达什么意思

May not be providing表达什么意思？是什么时态。so have them是什么结构？ It seems schools may not be providing an opportunity for children to re-express their ideas and so have them tested and refined by teachers and their peers.

问题 what-从句作主语时的主谓一致问题

“What may seem like small messages at the moment add up to big ones over time,” says an expert.请问老师：这里是what引导的主语从句What may seem like small messages at the moment，后面却用动词原形是不是不对？要改为adds吗?

问题 疾病前面的冠词的用法

第一句：Healthy care plans are needed in all big cities to prevent ______ spreadof AIDS. 空内填the。 第二句：In ______ review of 44 studies, American researchers found that menand women who ate six key foods daily cut the risk of _______ heart disease by79%. 空内分别填“...

问题 类似notify sb of sth的短语有哪些

看到一本书说：只可以说 notify sb of sth，不可以说 notify sth to sb, inform sb of sth, warn sb of sth。我想问这种用 of 引出对象的动词还有哪些？这里 of 的含义是什么？

问题 do good与do well的用法及区别

_____ is hard is to do good all one’s life and never do anything bad.这句话中 good 放在动词 do 的后面不太符合语法规则，应该是 well 才对吧？谢谢！

问题 badly,very,quite,barely.修饰动词的区别

All his friends have an iPhone. Not wanting to lose face, he ____ wants one.A.badly    B.very     C.quite      D.barelybadly,very,quite,barely 修饰动词的区别?

问题 分析but one that（什么意思，作什么成分）

It is a different world but one that offers huge challenges to ambitious young people interested in how our Universe works. 请问本句中but one that是什么意思？做什么句子成分呢？另外，本句是强调句吗？谢谢老师