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问题 介词短语的问题

This week,however,crisper has caused more unease than optimism,because of claims by a Chinese scientist that he edited the genomes of twin girls when they were embryos,as part of ivf treatment.这里as介词短语是什么用法？非限制性后置定语？

问题 one和that替代词问题

My room is better than the one next door. 老师 这句话能否改成 My room is better than that next door.

问题 过去时还是现在时

请教老师们：In the past，a household is not so rare with four generations living together. 中为什么过去却用is，有人说叙述为了生动，是这样吗？ 谢谢老师们了。

问题 how的含义

When you ride in mountains, you can just put reTyre (a new kind of tyre) over your base tyres. It's just like how we put on different clothes depending on the weather.这里的how是什么意思啊，在我看来更像是无语义。

问题 句子成分分析

You watch it, Arthur. You are a guest in this room. You can just as easily find yourself on the other side of that door.请问老师，这句话as怎么理解？如果是作连词这里该怎么补全？还是说这里的as仅仅相当于副词so？

问题 请问off在句中的成分含义

She’s learnt the whole speech off by heart.句中这个off是充当什么成分具体代表什么意思？谢谢!

问题 preferences和personalities的区别

The fact that they reacted so differently was a reflection of their different _______.B. preferencesC. personalities请问各位老师，这题为什么不选preferences呢？谢谢老师！

问题 形容词修饰主语的疑问

老师请看这个句子：he, injured and pale, was found at the foot of a Cliff.这个句子有语法错误吗？injured and pale作为形容词直接修饰主语He可以吗？谢谢！

问题 这里的as怎么理解

Tolstoy wanted happiness, but only hard-won happiness, that emotional fulfillment and intellectual clarity which could come only as the price of all-consuming effort.请问老师这里的as怎么理解?

问题 定语还是状语

Researchers comparing the immune systems of healthy, first-year law students under stress found that students who were optimistic maintained higher numbers of blood cells, compared with their more pessimistic classmates.请问老师，第一个comparing是作定语修饰researchers还是时间状语...

问题 and so 这个搭配符合语法吗

and so这个搭配符合语法吗? 比如:He had made enough money, and so he closed the business. 

问题 smell of的含义

How does the perfume (   )?It (  ) jasmine.A smell;smells likeB smell like;smells likeC smell;smells of答案是C，请问老师AB错在哪里呢？smell of在此句中怎么翻译呢？谢谢您。

问题 when 和 while 的区别与互换

Think about rocks when you enjoy the sand and sun. 这句话中的when能用while 吗？

问题 可否直接说estimated £30 million

The bequest is con-servatively estimated at £30 million.请教老师，estimated 后为何要用介词at？除了介词at，可否用其他介词？谢谢老师。 

问题 是否是强调句的分析与判断

It's people with the dirty mind that think like that.请问这个属于强调句吗？能分析一下吗？