留学群专题频道托福词汇用法栏目，提供与托福词汇用法相关的所有资讯，希望我们所做的能让您感到满意！
今天留学群托福栏目的小编给大家带来“托福词汇用法解析之冠词”，以下是详细内容，希望对同学们备考托福有所帮助!
1. Indefinite article (不定冠词)
我们用 "a ， an " 当我们不知道他是诸多人或事中的哪一个：
* is one of many. ( 是许多个中的一个)
He is an artist.(=there are many artists)
* is not unique. (不是唯一的)
I have just bought a book
* has not been mentioned before. (之前没有提到过)
There was a new student in class today.
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2. Definite article (定冠词)
我们用 " the " 当我们知道他是诸多人或事中的哪一个：
* is unique (or unique in that context) (是唯一的)
The Australian Prime Minister. (=there is only one)
I looked inside， the engine was in a terrible state.(=there is only one engine， in this case)
* has been mentioned before. (之前提到过)
The man gave me a ticket. I looked at it， and saw thatthe ticket was a single.
* is defined by the phrase which follows it. (要被接下来的短语详细说明)
What is the new student's name?
3. No articles (无冠词)
我们不用冠词当我们普遍地提及事物的时候：
* using plural or uncountable nouns (在使用复数或不可数名词时)
Do you like sport?
* with the names of people or places， but there aremany exceptions (人名和地名的时候不用冠词，但是地名有许多例外)
He is Professor Jones
4. Fixed phrases ( 固定短语)
有许多固定搭配需要用或者不用冠词，我们应该来单独学习，他们包括：
a few at home at work at the beginn...
下面是留学群托福栏目为大家带来的“托福词汇之more than的用法介绍”，希望对大家有所帮助!
第一、More than+名词”表示“多于……”、“非但……尤其是”如：
1) Modern science is more than a large amount of information.
2) Jason is more than a lecturer; he is a writer， too.
第二， “More than+数词”含“以上”或“不止”之意，如：
3) I have known David for more than 20 years.
4) Let‘s carry out the test with more than the sample copy.
第三，“More than+形容词”等于“很”或“非常”的意思，如：
5) In doing scientific experiments， one must be more than careful with the instruments.
6) I assure you I am more than glad to help you.
第四，在“More……than……”中，肯定“more”后面的而否定“than”后面的，约等于“是……而不是……”如：
7) The difference between pure linguistics and applied linguistics is more apparent than real.
8) This book seems to be more a manual than a text.
9) Catherine is more diligent than intelli-gent.
10) Hearing the loud noise， the boy was more surprised than frightened.
第五，More than”或“More……than……”+含“can”的分句时表示“否定意”，如：
11) That‘s more than I can do.
12) Don‘t bite off more than you can chew.
13) In delivering his lecture， Jason makes sure not to include more things than the students can understand.
第六，“No more……than……”表示“不……;不如……”，如：
14) I can no more do that than anyone else.
15) A learner can no more obtain knowledge without reading than a farmer can get good harve...
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