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历年四级真题下载 四级真题下载

来源:慢速英语   时间:2020-05-19 16:45:50

  历年四级真题下载四级真题下载,慢速英语网小编(www.voanews.cn)为大家汇聚了一些英语的文章,今天给大家带来的是历年四级真题下载四级真题下载的内容,希望大家喜欢。


  历年四级真题下载


  Passage 1


  Scientists know how twins were born,now though,they are trying to explain how being half of the biological pair influences a twin’s identity.They want to know why many identical twins make similar choices even when they don’t leave near each other.For example,Jim Springer and Jim Louis are identical twins.They were separated when they were only 4 months old.The two Jims grew up in different families and did not meet for 39 years.When they finally met,they discovered some surprising similarities between them.Both men were married twice,their first wives were named Linda,and their second wives were both named Betty.Both twins named their first sons James Allen.Scientists want to know what influences are personality.They study pairs of identical twins who grew up in different surroundings,like Jim Springer and Jim Louis.These twins help scientists understand the connection between environment and biology.Researchers at the University of Minnesota,studies 350 sets of identical twins who did not grow up together.They discovered many similarities in their personalities.Scientists believed that personality characteristics such as friendliness,shyness and fears are not result of environment.These characteristics are probably inherited.Scientists continue to study identical twins because they are uncertain about them and have many questions.For example,they want to know‘can twins really communicate without speaking’,‘can one twin really feel another twin’s pain’.Perhaps with more research,scientists will find the answers.


  16.What are scientists trying to explain according to the passage?


  17.What do we learn about the twin Jims?


  18.Why are scientists interested in studying identical twins raised in different families?


  四级真题下载


  Passage 2


  Today I’m going to talk about tents.Camping is still one of the cheapest ways of having a holiday.And each year,over 3 million people take camping vocations,either here in Britain or aboard,mostly on the continent.Obviously,camping can’t be as comfortable as living in a permanent house,but modern tents can be very comfortable indeed,with windows,bedrooms,kitchens and sitting rooms.The most popular tent sold in Britain is the frame tent with 2 bedrooms and sleeping accommodation for 4 people.There is usually an outer tent of water-proofed fabric and a lighter inner tent or tents with a built-in ground sheet.The outer tent fits over the frame work.This is made of metal poles which are fitted together.The inner tent is attached to this frame.Generally,the inner tent is about half the area of the outer tent.The other half of the outer tent is the living area.This doesn’t usually have a ground sheet but you can buy one to fit,though it costs extra.The ordinary 4 bed frame tent doesn’t usually have a separate kitchen area,but the larger ones often do.You can buy a kitchen extension for many tents,and it’s worth buying one if you plan to stay camping in one place for more than a few days.


  19.What does the speaker say about camping?


  20.What does the passage tell us about the most popular tent sold in Britain?


  21.What does the speaker suggest buying if you plan to stay camping in one place for more than a few days?


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