找到约 30000 条结果

问题 固定搭配：work hard at sth还是work hard on sth

I must keep on working hard ________ it. 请问应该填on, at还是都对？

问题 请教曹老师有关虚拟语气的问题

...，我不是很理解,此时为什么用的是陈述语气和祈使语气If the train should be late ,what will you do? if we should fail this , we are ruined.if you should meet Henry, tell him I want to see him.

问题 这里为何要介词to

Super typhoon Soudelor killed eight people in Taiwan and cut power to more than 4 million households last month. 这里为何要介词 to？

问题 a 可否表示“一次”

【朗文多功能分类词典】的一个例句：There was a gas leak and it caused a fire. 煤气漏出，引起了一场火灾。请教专家：句中 a gas 中的a指出的是“一次”吗，谢谢！

问题 round在句子中的成分

Alice got up and carried the pate round.round 是作定语，还是副词用状语？

问题 relaxed, relaxing 的区别

You will improve your English in our activities in a relaxed and comfortable way.这句话里的形容词relaxed能不能使用relaxing 呢？

问题 against对应的意思

请问此处against是对应的意思吗？It enables companies to add value by identifying keybelement of position and then testing candidates to ascertain their abilities against those identifed element.

问题 句子省略补充

Bejing's climate is more or less unfit for the growing of flowers. Freezing in winter, windy in spring, and either too dry or too often plagued by a sudden frost.老师好，后面几个形容词是省略了什么？

问题 be动词省略问题

Many large rivers were straightened and their beds deepened.后面那一句是不是省略了were，完整是说成their beds were deepened吗？如果是省略were，那为什么可以省略呢？

问题 垃圾的不同表示

In Japan, there is a fixed time for the sorting of each kind of garbage and littering.问：此句中我觉的用一个garbage就行了，为什么后面还要用littering？都是名词垃圾的意思，有什么区别吗？

问题 关于wherever用法

No one who returned from front failed to express admiration fro Doctor Bethune wherever his name mentioned and none remained unmoved by his spirit.粗体部分不应该是wherever his name is mentioned吗？

问题 名词为什么不用复数形式

句子里的名词为什么不是复数形式Non-REM sleep is when our brain and body slow down

问题 这是不是垂悬分词

Speaking in the middle of the altar, one's voice will sound particularly loud and clear.请问此句前面部分是算作垂悬分词吗？

问题 to 和 for如何辨别

...个介词 要怎么理解呢？我的理解是：to 表示方向感 如 Give it to me. 指的是给向我这个方向 for表示 为了 如 I bought a gift for you.暗指有所准备 不知道 对不对 请老师明示。 该如何选择 辨别 介词 to 和 for 当然有些单...

问题 难句分析理解(within the films of the...做什么成分)

I would expect more quantitative informtion about charge propagation dynamics within the films of the hierarchically deposited (grown) flowers on nickel foam.这句话是什么意思了？如何理解，请教老师!