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问题 count sb/sth in(把…计算在内）是否应该在count前加be

First impressions count in a business relationship, too.count sb/sth in,表示把什么计算在内，原句是否应该在count前加be?

问题 switch off between his two horses中off怎么理解

For the last 3000 miles, he's been switching off between his two horses.老师好，我查到switch off有不再想着；不再注意；失去兴趣的意思，不及物的，但这里明显讲不通，不知道这里off怎么理解？

问题 现在一般时的用法疑问（动作只能是动态动词不能是静态动词吗）

现在一般时表示现在经常性动作、习惯性动作的用法。如：He often goes to work by bike.    He often comes to my home.请问这里的动作只能是动态动词，不能是静态动词吗？

问题 by表示“以…之差（表示程度、数量）”的用法

They have built robots that can recognize the error of a machine panel by a fraction of a millimeter in a controlled factory environment.他们建造的机器人能在严格控制的工厂环境中识别仪表盘上零点几毫米的误差。请问句子中by是“以……之差（表示程度、...

问题 become evident to us that...的理解

这句话里的犯错误的人是我们还是别人？请举例。It has now become evident to us that a mistake has been made.我们已经清楚出了差错。（牛津高级英汉双解词典）这句里的犯错误的人时我们还是别人？has now become可以替换成was now吗? 即：It was...

问题 先行词做状语时从句为什么不放介词

I’ll never forget the day which I joined the army in. 如果不用when,应该留个介词的吧？ This is the first time you visit China. 但为什么这个句子，它不需要放个介词for呢？缺了介词，the first time 没办法代入从句啊？

问题 be typical of 后面的名词只能表示类指吗

ADJ-GRADED 典型的;有代表性的 You use typical to describe someone or something that shows the most usual characteristics of a particular type of person or thing, and is therefore a good example of that type.是否存在表示特指的用法？

问题 the Utah Jazz,the Miami Heat,the Orlando Magic什么意思

请教：下面这些专有名词是什么意思？什么背景？the Utah Jazzthe Miami Heatthe Orlando Magicthe Seattle Storm

问题 关于后置限制性定语的歧义短语

我想问曹老师一个类似“俄罗斯套娃”的限制性定语的问题。假设A,B,C三个依次变大的盒子box，A在B里，B在C里。A box in B box in C box我能否得到两种修饰关系1，A box 【in B box in C box】后者修饰A box2，【A box in B box 】in C box后者修饰A ...

问题 介词短语(交通工具),怎么判断它表达方式还是地点

He is driving to work in his car.  |地点?I can drive you in the car. |方式?They have got on the bus. |地点?They are going home on the bus. |方式?We want to go on the bus. |地点?we will go on the bus. |地点?不知这么对么? 是不是作方式的短语,也可替换成with/by?

问题 修饰名词用 a better 与 the best 用法的比较

If we climb up to the top of the mountain,we will have ___ view. A a better  B. the best  答案A.选B可以吗？如果这座山有3000米，分别在1000，2000，3000处看，那么山顶不可能是最好的风景吗？

问题 all of which可以作为一个单独的句子的主语吗

看到一个句子，前面举了一些例子然后句号完结，最后加了一句“all of which would have a positive effect on our happiness levels.” 我第一反应是非限制性的定语从句，但是为什么用句号隔开了，all of which 可以单独做主语吗？（这问题有点...

问题 非延续动词的否定句式加时间段用in还是for

非延续动词的否定句式加时间段用in还是for？如：I haven't seen him for/in three day.We haven't spoken for/in 2 years.这里in和for是都可以，还是只能是in？有区别吗？

问题 It is kind of sb to do sth句式分析

It is kind of sb to do sth句式分析请问专家：it 是形式主语吗？真正的主语是什么？是 to do sth？还是of sb to do sth？

问题 关于分数的表达

分数的表达法中：One third of them are under 10 years old.Five in eight students are under 10 years old.Five out of eight people like you.老师我想问的是 one third不能直接用作定语（副词）修饰名词么？five in eight； five out of eight这种表达方式中可以直接用...