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问题 get on 的用法

Australian’s rapid weight gain has health agencies and  state governments racing to find ways to encourage people to get on their feet. 请问老师get on在这里什么用法？在字典查到的get on好像都不符合句子意思。

问题 为什么这里省略了be动词

If all the world's a stage, and all the countries merely players请问这里为什么省略了be动词？—摘抄自China Daily

问题 than do sb是什么用法

Girls receive less health care and less education in the developing world than do boys. 句子为什么在 than 后面加个 do？

问题 find it 与find it's

I find it      interesting to learn English.I find it's      interesting to learn English.老师，后面这句话对吗? 我是填it呢还是it's?都可以？

问题 over、throughout、during、in的区别

...小段时间农场数量在下降，即The number of farms declined once during the period，但整体可能上升了；也可以表示整个period都在下降，相当于The number of farms declined all during the period。这里如果将during换成in，效果是差...

问题 句子动词开头无主语的情况有哪些

句子动词开头无主语的情况有哪些  如 Keep on working hard， and someday you'll be successful  为什么可以没有主语

问题 “一双眼睛”为什么不用pair

Billy had rosy cheeks and blue eyes. 比利脸上红扑扑的，长着一双蓝眼睛。这个句子英语里面并没有 pair，但汉语里面为什么有“一双”呢？

问题 in介词做方式状语

Proteins are found in  plant and animal foods in a variety of concentrations.意思是蛋白质以不同的浓度（含量）存在于动植物食品中。这句子中第一个in介词做地点状语，而第二个in是介词做方式状语修饰主语proteins，对不对？

问题 判断句子是否有语法错误

The AFs exhibit a long rod-like structure with the length up to several millimeters and  a cross-sectional diameter of about 35.5-37.6 μm.这个句子有没有语法错误呢？是正确的吗？请教一下老师。

问题 you的指代什么

请问一下。To these students, I'd like to say that to break the bad habit , above all, you should believe in yourself and have a strong will.为什么不是yourselves前面不是these students吗？还可以请问一下say that to...是什么用法吗？十分感谢！

问题 有时间参照的完成时用法

请问一下。Before my sister went for her interview, she researched the company on the Internet and consulted a few people.句中从句before有时间参照，为什么主句不用had researched呢？希望老师帮忙，谢谢了！

问题 句子结构

...:How he knew that the time had now come when sap should stir in the trees and life begin to move in the soil he could not have told himself. how是怎么用的呢?看翻译应该是一般疑问句，但是没有助动词，从句好像也不成立。很疑惑。have told himself 是让他自己知...

问题 所有格的使用疑问

"Today the election results have been announced. A new prime minister will take over. Our countrymen have given their verdict, and we respect that," Gandhi said.请问这里的election为什么不用形容词或名词所有格？

问题 signaled shutdown是什么意思

新编英语第三版课文里的一句：The part of my brain that switches off when I do anything strenuous signaled shutdown and my feet moved metronomically.这里的signaled shutdown是什么意思，充当什么成分？

问题 formal在文中的意思

Ritual is defined by sociologists as "that part of family life that the family likes abiout itself, is proud of, and wants formally to continue."请问第一个"that"和"formally"是什么意思？