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问题 小于1的小数修饰名词用单数还是用复数

很是奇怪，下面的句子中grams用了复数，但是修饰它的数字是0.2：A carat is equal to 0.2 grams. 1克拉等于0.2克。请问一下：小于1的小数修饰名词用单数还是用复数？

问题 by ambulance为何没有冠词

...ambulance 前为什么没用冠词呢？The old man was taken by ambulance to the nearest hospital. 那位老人被救护车送到最近的一家医院。是不是该 ambulance 前加上一个冠词（定冠词或不定冠词）？

问题 direct,directly,straight的用法区别

...作副词（包括direct），那请问有区别吗？ He went directly to his office. 此处用 direct 与 staight 可否？ 相同的形容词也搞不清楚：east 和 eastern。它们在词典上的意思差不多，但应如何区分呢？

问题 普通副词放在句首能倒装吗

The red turned to gold along the line where the sea and the sky met and very slowly up came the edge of the sun.这里是普通 adv 倒装吗？除了否定副词、地点副词以外，普通副词也能倒装是吗？谢谢回答!

问题 when可以引导所谓时间宾语从句吗？

It describes when someone else accepts responsibility to act in the interests of a child.我感觉，本句的宾语是when引导的是从句，可是这样的话就成为时间宾语从句，好像没这种说法啊？况且语义也不顺。请老师讲解一下本句吧？谢谢老师，让您见...

问题 if与whether的区别与选择

I 'd like to go swimming _______ the water is not too cold.A.unless    B. for      C. if     D. whether 答案为if。D 为什么不行呢？

问题 full of thick smoke作宾补吗

I went out for the day, and came back to find the room full of thick smoke from Holmes' pipe.老师，full of thick smoke 形容短语作宾补吗？

问题 请帮忙分析下这个从句中where的用法

下面这句话来自课文。How about the trick where the puppy goes to school in your book bag?请问在这里 trick 是先行词吗？这句里为什么用 where 来引导从句？

问题 in the college与in college用法辨析

He tends to idealize his life in the college.这里为什么用in the college, 而不用in college?

问题 时间状语从句省略了主语的问题

Nonetheless, the potential for mobilizing toxic trace elements from the coalbed is an important factor to be considered when evaluating CO2 sequestration in deep unmineable coal seams.这个句子中when的后面直接接evaluating 而没有主语，时间转语从句也是句子啊，不应该有...

问题 what引导的并列的表语从句

It is what lies behind the eerie skills of face-recognition programs and what makes it possible for personal assistants such as smart speakers in the home to pick out spoken requests and act on them.请问这是what引导的并列的表语从句吗？

问题 关于是否为被动语态的问题

试看以下两句：The government official can hardly find sufficient grounds on which to base in his arguments in favor of the revision of the tax law.We can't make a decision based on hearsay and guesswork.如何判断这里的base 用被动语态还是主动语态？

问题 off作为减价时的应用

up to 80% off. 老师在这个句子中为什么off这里做什么成分， 为什么介词后可以跟副词呢？这是什么用法呢？A shirt with $20 off. 这里的off是副词做补语么？Take $5 off the regular price. 老师这里的副词off为什么能接名词呢？副词可以接名词...

问题 when-从句（突然）是否是时间状语从句

这when从句还能看作是时间状语从句吗?I was on the way to the gym when I thought an ice-cream would be nice.翻译软件把这个when翻译为突然, 那应该是副词吧? 这样的话, 它还能作为时间状语从句吗?

问题 介词 off 的用法

...d, soon, liquefied gas churn through the fisheries off Scandinavia, headed to markets in Europe and North America.请问老师这里off是怎么理解的呢？翻译给出的是“纳维亚半岛外的渔场”，不知道这里到底是作定语还是状语呢？