【题目】Do you sometimes find you want to eat chocolate or ice cream very much? Do you then make it but feel guilty about it later?

The next time this happens to you, think back if you have had enough sleep over the last 3-5 days. Many adults and even teens have noticed that they crave "midnight snacks" when working or watching TV late.

New research shows that lack of sleep could lead us to have an increased appetite (食欲)- especially for the unhealthy kind.

Recently, researchers at the University of Chicago carried out a study that clearly shows that a lack of sleep actually changes our brain chemistry! Studies were done on two control groups over four days. Both groups had their food and sleep strictly controlled. All of them received three meals. The only difference was that one group was allowed to sleep for 7.5 hours while the other group slept for a little more than four hours.

During the following visit, their sleep patterns were exchanged. After the last night of the session, the volunteers were offered as much food as they wanted to eat. Researchers noticed that in both sessions, people who sleep less ate on an average 300 calories more than those who had slept more. This was much more calories than what their bodies would need to make up for the three fewer hours of sleep.

What Is Going On?

The researchers then analyzed the chemicals (化学成分) in the blood of the people in the study. What they noticed was surprising. High levels of ghrelin (a chemical that makes us hungry) and lower levels of leptin (the chemical that tells the brain that it is satisfied) were found in the people with less sleep.

Even more surprising was that this group had higher levels of endocannabinoids - the same chemical that is caused by drugs such as cannabis (大麻). The endocannabinoid system causes a craving for sugar and fatty foods and leads to overeating even when the body is not hungry. This study suggests that sleep changes help produce chemicals in the body that are similar to taking drugs!

Furthermore, researchers noticed that food cravings continued for a long period of time, well after the lack of sleep. This increases the risk of over-eating for longer periods, leading to obesity (肥胖).

Your body needs 7-8 hours of sleep each night. So, the next time you reach for a bag of chips or a slice of decadent cake, think of the amount of sleep you have had recently!

【1】According to the passage, people want to eat more when they ________.

A.work B.watch TV C.sleep less D.sleep more

【2】The word ‘crave’ in paragraph 2 most probably means ________.

A.hope B.want C.hate D.dislike

【3】From the passage, we can learn that ________.

A.people feel guilty about eating chocolate

B.unhealthy food makes people sleep less and less

C.a person’s sleep has nothing to do with his/her appetite

D.a study about sleep and obesity was carried out at the University of Chicago

【4】The chemical that makes us feel hungry is called ________.

A.ghrelin B.leptim

C.cannabis D.endocannabinoids

【5】This article is mainly about ________.

A.researchers working on people’s sleep

B.how people’s sleep influences their appetite

C.how much people need to eat after sleeping less

D.A research about chemicals in the blood of people

【题目】

Most people who celebrate Saint Patrick’s Day aren’t Irish. Every year on March 17, hundreds of thousands of people celebrate this Irish all over the world. There are parades in New York, London, and Tokyo. There are all-night parties in Argentina. People and have fun in the streets of Australia and New Zealand. And of course, there are some celebrations in Ireland, too.

What is Saint Patrick’s Day? Saint Patrick was a priest hundreds of years ago who made many Irish people Christianity(基督教). He was actually born in Britain, but he has become an important in Irish culture. There are many stories about him, killing all the snakes in Ireland and speaking with Irish ancient kings. Saint Patrick’s Day is a religious holiday to remember , but today it is also a day for celebrating Ireland and Irish culture in general. So do people celebrate it? The most way is to wear something green. Green is one of the colors of the Irish flag, and Ireland is also famous for its beautiful green countryside. If you forget to wear green, you may get pinched(捏、掐), pinching people who forget to wear green is another Saint Patrick’s Day tradition. But perhaps the second most common way to celebrate, if you are enough, is to drink lots and lots of Irish beer. Remember only adults can drink beer. Otherwise, you will be punished for being too young.

【1】A.habit B.holiday C.parade D.game

【2】A.drink B.smoke C.fight D.swim

【3】A.take in B.hand in C.bring in D.believe in

【4】A.soldier B.hero C.hunter D.king

【5】A.for example B.along with C.instead of D.such as

【6】A.her B.him C.them D.it

【7】A.how B.why C.when D.where

【8】A.interesting B.special C.common D.strange

【9】A.though B.so C.until D.as

【10】A.brave B.old C.strong D.excited

【题目】People may have different dreams as they grow older.What do you want to be when you grow up?Everyone needs to answer this question.

When_I_was_a_little_girl,my_parents_always_asked_me_what_I_wanted_to_be_when_I_grew_up.I used to tell them a general,doctor,guard,and many more that I probably don't remember.But now I really know what I want to be.I want to be a fashion designer.

What made me want to be a fashion designer?I often watch TV.The fashion shows on TV are fascinating.The tall,thin models wear beautiful clothes and walk beautifully on the stage.So I decide to be a designer and design beautiful clothes for people and make them look even better.

I have all kinds of dolls and I enjoy looking at their colorful clothes.I often change my dolls' clothes.I try to put one doll's clothes on another doll and see how it looks.Sometimes a skirt looks nice on one doll,but doesn't look so good on another.

I also like reading fashion magazines.They are quite expensive,but my parents say they will pay for them if I am really interested in reading them.They want me to learn as much as possible.For me,我会尽最大的努力实现自己的梦想。I believe that one day my parents will take pride in what I can do.

1What does the writer want to be now?

________________________________________________________________________

2What does the writer think of the fashion shows on TV?

________________________________________________________________________

3What does the writer often do with her dolls?

________________________________________________________________________

4将画线句子①翻译成汉语。

________________________________________________________________________

5将画线句子②翻译成英语。

________________________________________________________________________

 0  143614  143622  143628  143632  143638  143640  143644  143650  143652  143658  143664  143668  143670  143674  143680  143682  143688  143692  143694  143698  143700  143704  143706  143708  143709  143710  143712  143713  143714  143716  143718  143722  143724  143728  143730  143734  143740  143742  143748  143752  143754  143758  143764  143770  143772  143778  143782  143784  143790  143794  143800  143808  159627 

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网