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You may not know it,but your brain is already an amazing vocabulary learning machine.When you read or listen to something,your brain doesn't take each word at face value:it's continuously taking statistics about which words appear together regularly so that it can expect what's coming next and process speech faster.
    Our brains continuously release electrical signals,which change depending on what task your brain is dealing with.Scientists can use a technique to read some of these to study how your brain processes language.
    One of these signals,called N400,changes depending on whether words make sense in context or not.The N400 is relatively small for expected word combinations,like coffee and cream,and increases in height for unexpected word combinations,like coffee and cap.This means that scientists can read the N400 height to analyze the kind of expectations you have about which words usually appear together.
    In language learners,the N400 changes based on proficiency(熟練程度).The better people get at a language,the closer their N400 pattern is to native speaker's.This means that an important part of language proficiency is taking statistics and building expectations about what words usually appear together,just as native speakers do.
    To get better at this,we need to flood our brains with loads of natural content,so we can build up a picture of which kinds of words usually appear together.Reading is a great way to do this and there's lots of research that shows that reading works wonders for your vocabulary skills.
    However,it is important to remember that if there are too many unknown words,it can be difficult to figure out what they mean from the context.And it is unpleasant having to stop every two minutes to look up a word.Graded readers,which are books adapted to make them easier to understand at lower levels,are perfect for learners of foreign languages.

(1)What does the author intend to do in paragraph 1?
A
A

A.To state a fact.
B.To offer a suggestion.
C.To make a comparison.
D.To propose a definition.
(2)What does it mean if the N400 increases?
D
D

A.We make sense of some word combinations in a context.
B.We combine some new words to make a sentence.
C.We memorize some word combinations to learn a language.
D.We meet some word combinations beyond our expectations.
(3)How can we have a native speaker-like N400 pattern according to the author?
B
B

A.By reading some books about vocabulary skills.
B.By reading lots of natural content.
C.By reading loads of books about nature and drawing pictures.
D.By reading authentic content to increase our vocabulary.
(4)What can we infer from the last paragraph?
D
D

A.It is more beneficial to read easy books.
B.It is important to look up new words.
C.We should mainly read adapted books.
D.We should choose materials right for our level.

【考點】說明文;日常生活
【答案】A;D;B;D
【解答】
【點評】
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發(fā)布:2024/5/27 14:0:0組卷:4引用:3難度:0.4
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