题目内容

2．Are you sometimes a little tired and sleepy in the early afternoon？Many people feel this way after lunch．They may think that eating lunch is the cause of the sleepiness．Or，in summer，they may think it is the heat．However，the real reason lies inside their bodies．At that time-about eight hours after you wake up-your body temperature goes down．This is what makes you slow down and feel sleepy．Scientists have tested sleep habits in experiments where there was no night or day．The people in these experiments almost always followed a similar sleeping pattern （模式）．They slept for one long period and then for one short period about eight hours later．
In many parts of the world，people take naps（小睡） in the middle of the day．This is especially true in warmer climates，where the heat makes work difficult in the early afternoon．Researchers are now saying that naps are good for everyone in any climate．A daily nap gives one a more rested body and mind and therefore is good for health in general．In countries where naps are traditional，people often suffer less from problems such as heart disease．
Many working people，unfortunately，have no time to take naps．Though doctors may advise taking naps，employers do not allow it!If you do have the chance，however，here are a few tips about making the most of your nap．Remember that the best time to take a nap is about eight hours after you get up．A short sleep too late in the day may only make you feel more tired and sleepy afterward．This can also happen if you sleep for too long．If you do not have enough time，try a short nap-even ten minutes of sleep can be helpful．
60．Why do people feel sleepy in the early afternoon according to the text？C
A．They eat too much for lunch．
B．They sleep too little at night．
C．Their body temperature becomes lower．
D．The weather becomes a lot warmer．
61．If you get up at 6：30 am，what is the best time for you to take a nap？D
A．About 12：30 pm
B．About 1：30 pm．
C．About 3：30 pm                          
D．About 2：30 pm
62．What would be the best title for the text？B
A．Just for a Rest                           
B．All for a Nap
C．A Special Sleep Pattern
D．Taking Naps in Warmer Climate．

分析 这篇短文主要讲述了人们累了或者是在夏天的午后都会休息或睡觉，休息好对于人们的身体是有好处的．

解答 CDB
60．C．细节理解题．根据短文第一段However，the real reason lies in their bodies．At that time---about eight hours after you wake up，your body temperature goes down．可知人们会在下午早些时候感到昏昏欲睡是因为体温降低；故选C．
61．D．推理判断题．根据文中At that time---about eight hours after you wake up，your body temperature goes down．可知如果你早上六点半起床，最好的小睡时间是14：30．；故选D．
62．B．：标题归纳题．通读全文可知主要讲述的是人们累了或者是在夏天的午后都会休息或睡觉，小睡对人们的身体有好处；故选B．

点评 考察学生的细节理解和推理判断能力，做细节理解题时一定要找到文章中的原句，和题干进行比较，再做出正确的选择．在做推理判断题不要以个人的主观想象代替文章的事实，要根据文章事实进行合乎逻辑的推理判断．

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A．Conversations about others             B．Rude and mean talking
C．Kinds of conversations                 D．Talking behind someone's back
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A．Don't talk behind others'back
B．Talking behind others'back is rude
C．Do tell the person about the nice things said behind his back
D．There is no one who never talks behind someone's back．
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68．Cuponk can be put on the wish list becauseD．
A．it is for the holiday season
B．it can help us pass time
C．it is better than a dinner party   
D．it brings us pleasure
69．The underlined"it"in the third paragraph refers toB．
A．the cup     B．the game     
C．the rule    D．the ball
70．According to the text，the following can be used in the game ExceptD．
A．the wall     B．trick cards    
C．the stairs   D．the beer
71．In this passage，the author is suggesting that people shouldD．
A．stay at home to live through economic problems
B．spend no time in front of a television or a computer
C．be careful because the balls are heavy
D．play Cuponk with their family members or friends．
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Scientists have changed the colour of a dark-striped zebrafish to uniform gold by inserting a version of the pigment （色素） gene into a young fish．As with humans，zebrafish skin colour is determined by pigment cells，which contain melanosomes （黑色素）．The number，size and darkness of melanosomes per pigment cell determines skin colour．
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Humans acquired dark skin in Africa about 1.5million years ago to protect bodies from ultra-violet rays of the sun （太阳光紫外线），which can cause skin cancer．
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Asians have the same version of the gene as Africans，so they probably acquired their light skin through the action of some other gene that affects skin colour，said Cheng．
The new discovery could lead to medical treatments for skin cancer．It also could lead to research into ways to change skin colour without damaging it like chemical treatment did on Michael Jackson．

71．The passage mainly tells us thatD．
A．people can not change their skin colour without any pain
B．the new discovery could lead to search into ways to change skin colour safely
C．pop king Michael Jackson often changed his skin colour as he liked
D．scientists have found out that people's skin colour is determined by the gene
72．It can be inferred from the passage thatA．
A．nowadays people who want to change their skin colour have to suffer a lot from the damage caused by the chemical treatment
B．Europeans and Africans have the same gene
C．the new discovery could help to find medical treatments for skin cancer
D．there are two kinds of genes
73．Scientists have done an experiment on a dark-striped zebrafish in order toB．
A．find the different genes of humans'
B．prove the humans'skin colour is determined by the pigment gene
C．find out the reason why the Africans'skin colour is dark
D．find out the ways of changing people's skin colour
74．The reason why Europeans are light-skinned is probably thatB．
A．they are born light-skinned people
B．light-skinned Europeans have mutation in the gene for melanosome production
C．they have fewer activities outside
D．they pay much attention to protecting their skin
75．The writer's attitude towards the discovery isC．
A．neutral          B．negative
C．positive         D．indifferent．
12．As summer comes near，many children are really happy to forget about school for a few months．However，they might be taking that goal too seriously．Studies have found that children often forget between one and three months'worth of school learning during the summer months．Spelling and math abilities drop off the most，while reading is not really influenced by the time off．The main reason for this is because most children sometimes read outside of the classroom，whether newspapers，magazines，books，or video game guides．However，their math and spelling skills only get exercised in the school setting．
The first purpose of summer holidays was to let farm children have time off to help work in the fields during the growing season，but this reason is no longer a good one since fewer kids actually work on farms today．Some cities in the United States，such as Los Angeles，have moved to a year-round school timetable，which may help reduce the loss of school skills that happens during the long summer holiday．To improve skills and to keep a good level of preparation，headmasters suggest trips to museums，summer camps，holidays with educational value，and visits to libraries to keep kids interested throughout the summer．
There are other educational systems that provide holidays while still keeping students'skills up to date．For example，in Japan，students attend class for seven weeks in a row，followed by two weeks of holiday．This continues the whole year．In Italy，students attend class six days per week，but finish at 1：30 pm each day，so that school does not run their life the way that it does in America，where students attend high school from 7：45 am until 3：00 pm each weekday．In areas where there are not enough classrooms-in Afghanistan or Somalia，for example-older students attend classes in the morning while the younger kids go to school in the afternoon．
Headmasters fear that the three-month summer holiday stops the flow of learning．Just as students become used to new math problems or new ideas in reading，writing，or thinking skills，they"shut down"during the summer holiday．When they go back to school after the long summer holiday，they take up to two months to return to their previous （先前的） level of skill．So the debate continues：whether to continue holidays or to make changes based on the Los Angeles or the Japanese models．
74．Which skills suffer the most over the summer holidays？B
A．Math and reading．
B．Math and spelling．
C．Reading and writing．
D．Reading and thinking．
75．What can we learn about the first purpose of summer holidays？C
A．It is still widely acceptable now．
B．It was popular in some cities．
C．It is not a good reason for city kids．
D．It was more for teachers than for students．
76．The underlined phrase"shut down"in the last paragraph probably meansA．
A．stop learning                        
B．get sick
C．go on reading                     
D．focus on studies
77．What can we infer from the passage？C
A．Parents always read to their kids to keep reading skills．
B．Summer holidays lead to the loss of all the school skills．
C．Students love holidays and get their mind off learning in holidays．
D．In Italy students attend classes in the late afternoon six days a week．

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