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问题 表语从句的引导词充当什么成分

1. how, how many, how much, how long, how far等引导表语从句充当什么成分，什么含义，能不能省略，各举两个例子说明。2. when, where, why引导的表语从句，它们在从句中的含义，充当什么成分，能不能省略，还有例句?

问题 不定式做宾语

By the late 1970s, neurologists had switched to thinking of them as just "mental noise" - the random byproducts of the neural-repair work that goes on during sleep.请问老师，这里的to thinking是不定式还是介词呀？此时的Switch是及物还是不及物呢？To thinking是做Switch的...

问题 分析句子成分

But it is the broader analysis of the sample that is of most interest to security researchers.还有就是最后的to researchers作什么成分，修饰谁的？

问题 instead前后并列句，不定式要不要省略to

...谢！Don’t look for rules to impose on what you write, instead, _____ the selection of topic, audience, and purpose to guide your choices.A. which allows         B. allow     C. to allow D. to be allowing

问题 A is to B what X is to Y 相关结构疑问

...是 to B2，What C is to D, that A is to B.e.g. What exercise is to the body, that reading is to the mind. What blood vessel is to a man’s body, that railway is to a country.这个结构，that是什么用法？谢谢 

问题 play...on/at/in the piano中的介词用法

... English song           the piano.A. on    B.in    C.at2.She likes to play music              the piano. A. on    B.in    C.at

问题 状语和状语从句

During the winter holidays in her senior year ,  while she was driving during a storm , her car ran off the road and hit a tree.请问During the winter holidays in her senior year 的成分是状语， while she was driving during a storm的成分是时间状语从句吗？两个句子都是状...

问题 定语从句介词问题

This is the car that/which you paid for a high price.1 这句话为什么可以改写成This is the car for which you paid a high price. 就是为什么paid for的for能提到which前？2 那这句话可以改写成This is the car that /which you paid a high price for 吗?

问题 此句是否为宾语从句的变化形式

The discovery of Okechukwu Okoye's mutilated body has sparked outrage, the BBC's Ishaq Khalid reports from Abuja.请问此句是否为：The BBC's Ishaq Khalid reports from Abuja that the discovery of Okechukwu Okoye's mutilated body has sparked outrage.的变化形式？以上用逗号隔开的写...

问题 available for含义及用法

英语翻译the brain finds it best to keep smell receptors available for unfamiliar and emergency signals such as the smell of smoke,which might indictte the danger of fire.这句话中的 available for如何理解，求详细解释

问题 be动词有完成时态吗

For forty years Jane Goodall has been outspoken about making the rest of the world understand and respect the life of these animals.1.has been 是is 的现在完成时，那么 be动词时有完成时态的？2.about介词短语充当什么状语呢?

问题 请教尊敬的曹老师：一般现在时表示过去时间的用法与转态动词自己使用自己的疑问

...动词。例如:1、Alice tells me you are entering college next year.2、The ten o'clock forecast says that it is going to be cold.3、we learn by experience that only socialism can save China.4、l hear poor old Mrs Smith has lost her son.5、Your correspondent (通讯记者)Smith writes in the is...

问题 序数词前面用定冠词与不定词的区别（涉及second chance和first impression）

First impressions are the most lasting. After all, you never get _____ second chance to make _____ first impression. A. a; the                   B. the; the         ...

问题 一般现在时的相关疑惑

He’s been informed that he _________for the scholarship because of his academic background.A.hasn’t qualified            B.hadn’t qualifiedC.doesn’t qualify             D.wasn’t qualifying 老师，这道题目...

问题 关于形容词后置定语用法

Inside the room a dreadful mess greeted us. 关于这句，a dreadful mess 是形容词和名词构成短语后置吗？意思形容词和名词也可以构成定语？还有这一句里 a 已经表示一间混乱不堪的房间 a 和 the 不是不能同时出现？