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问题 for reduced physical size...分析

These populations show a secular trend for reduced physical size of children and adults followed by increased physical size with improvements in diet.句中for reduced physical size of children and adults followed by increased physical size with improvements in diet, 是整体状语吗？其中 ...

问题 have always been (done/doing) 区别?

1这2个结构,用在现在时态时，always还有什么作用，可以去掉吗？2have always been doing 和 have always been done意思一样吗，是否可以互换？比如这个例句：She's  always been willing to lend him  a hand whenever he's in difficulty.

问题 rainbow smelt fills是什么意思（2012高考英语四川卷）

The rainbow smelt fills the local stream as the ice gradually disappears. (2012四川卷A)这个句子不太懂？为什么用rainbow smelt fills？感觉这里的 smelt 用错了。

问题 ​用现在完成时和过去时都可以吗

—When did you move to Sanya?—In 2008. But I _______ in Tibet for 8 years.A. has worked B. has been workedC. have been working D. worked用现在完成时和过去时都可以吗？

问题 这里的mark究竟是什么意思呢？

VOA 《US Farmers Look For Policy Clues in Biden Cabinet Picks》After tumultuous four years marked by trade uncertainty and now a global pandemic, many farmers acorss the country stillsupported President Donald Trump.上句marked by这里的mark究竟是什么意思呢？另外，顺便请教老师...

问题 as if后面可以接that吗

He saw my companion and greeted her briefly, and then, to my surprise, instead of treating me as a stranger he acted as if he already knew me and that I was special to him. 请问老师that I was special to him其中的that是什么从句

问题 形容词一个用ing形式和ed形式的区别

为什么是the agonized look on his face和Mike gave his competitor a challenging look 为什么这两个地方的形容词一个用ing形式一个用ed形式？

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 作定语用不定式与用现在分词

Susan Luo, an adviser for teenagers, has received a letter asking for some advice. 本句摘自 2019版人教版高中英语新教材必修一的 Unit 1（p18）。句中的现在分词短语 asking for some advice 是作定语修饰 letter 吧？请问这里的现在分词可以换成不定式吗...

问题 Reorganzied 和Rearranged的用法

Put new screws into the handle of the door from the kitchen to the veranda. Reorganized boxes in the attic. Rearranged his tools in the shed and moved the Saab's winter tires to a new place. And now here he is.上面的句子，Put后面引导的是祈使句，但是Reorganized 和Rearranged 这个...

问题 at the time引导时间状语从句

（改错）At the time the United States split off from Britain, for example, there were proposals that independence should be linguistically accepted by the use of a different language from those of Britain.老师好，这句话是在at the time后面加when，可是time后面不是可以省略whe...

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 land可以搭配onto吗

1. Neil Armstrong became the first man __________ onto the moon.2. On the fourth mission ___________ on the moon, astronauts took a lunar vehicle so that they could explore places further away.答案是1.to step  2. to land我的疑问是两个答案可以互换吗？不能的话理由是什么？...

问题 have/have got能否代替固定搭配中的have?

She has a cold. She has an earache. 请教专家，上面两句中 has 能换成 has got 吗？ 谢谢！

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“...