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(London)­If it really is what"s on the inside that counts, then a lot of thin people might be in trouble.
Some doctors now think that the internal fat surrounding important organs like the heart or liver could be as dangerous as the external fat which can be noticed more easily.
“Being thin doesn"t surely mean you are not fat,” said Dr Jimmy Bell at Imperial College. Since 1994, Bell and his team have scanned nearly 800 people with MRI machines to create “fat maps” showing where people store fat.
According to the result, people who keep their weight through diet rather than exercise are likely to have major deposits of internal fat, even if they are slim.
Even people with normal Body Mass Index scores can have surprising levels of fat deposits inside. Of the women, as many as 45 percent of those with normal BMI scores (20 to 25) actually had too high levels of internal fat. Among men, the percentage was nearly 60 percent.
According to Bell, people who are fat on the inside are actually on the edge of being fat. They eat too many fatty and sugary foods, but they are not eating enough to be fat. Scientists believe we naturally store fat around the belly first, but at some point, the body may start storing it elsewhere.
Doctors are unsure about the exact dangers of internal fat, but some think it has something to do with heart disease and diabetes. They want to prove that internal fat damages the body"s communication systems.
The good news is that internal fat can be easily burned off through exercise or even by improving your diet. “If you want to be healthy, there is no short cut. Exercise has to be an important part of your lifestyle,” Bell said.
小题1:What is this piece of news mainly about?
A.Thin people also have troubles.
B.Internal fat is of no importance.
C.Internal fat leads to many diseases.
D.Thin people may be fat inside.
小题2:Doctors have found ________.
A.being slim doesn"t mean you are not fat inside
B.internal fat is the cause of heart disease and diabetes
C.being slim is not dangerous at all
D.the exact dangers of internal fat
小题3:According to the passage, which of the following is WRONG?
A.People with heart disease all have internal fat.
B.People can get rid of internal fat by improving diet.
C.Men are more likely to have too much internal fat.
D.Exercise can help to reduce the internal fat.

答案

小题1:A
小题2:D
小题3:A
解析

文章大意:本文讲述了很多表面很瘦的人实际上内部器官里的脂肪不一定就少,号召人们要通过锻炼来减肥,而不是仅仅是节食。
小题1:A 细节理解题。根据文章第3段“Being thin doesn"t surely mean you are not fat,”以及第4段According to the result, people who keep their weight through diet rather than exercise are likely to have major deposits of internal fat, even if they are slim.可知瘦并不意味着你就不胖,很多节食但是不锻炼的人实际上在内部也有很多的脂肪。故A正确。
小题2:D 主旨大意题。根据文章1,2段If it really is what"s on the inside that counts, then a lot of thin people might be in trouble.和Some doctors now think that the internal fat surrounding important organs like the heart or liver could be as dangerous as the external fat which can be noticed more easily可知在人体内部堆积的脂肪对人的健康也有很大的威胁。瘦的人的体内也可能有很多脂肪。故D正确。
小题3:A 推理判断题。本文只是讲述很多表面不胖的人,实际上也可能在内部器官里堆积了很多的脂肪。并不是说患心脏病的人体内都含有很多的脂肪。故A说法是错误的。
核心考点
试题【(London)­If it really is what"s on the inside that counts, then a lot of thin pe】;主要考察你对题材分类等知识点的理解。[详细]
举一反三
Pupils remember more and behave better when 3D images areused in lessons,research suggests.They are quicker to learn andabsorb new concepts,and display higher levels of concentration.
Professor Anne Bamford,of the University of the Arts,London,studied the effectiveness of 3D content in 15 schools across seven countries,including the UK.Pupils in 3D classes can remember more than those in the 2D classes after four weeks,improving test scores by an average of 1 7 percent compared with eight percent for 2D lessons.They gave more detailed answer to the tasks and were more likely to think in 3D, using hand gestures and mime(模仿动作) to answer the test questions successfully.
The teachers commented that the pupils in the 3D groups had deeper understanding,increased attention span, more motivation and higher engagement in the lessons.
Children are used to 3D with the rise of computer games that use the technology­90 percent of those in the study had seen a 3D film.Schools would need 3D­enabled projectors(投影仪),laptops with good picture capabilities,3D software and glasses for children to introduce animations(动作) into classrooms.
But Danny Nicholson,an educationist,said the technology would be impractical to use inschools and could be costly.He said,“While I think the idea of 3D technology is very interesting,I worry that 3D is a bit of an expensive gimmick(小玩意儿).There are a few cases where a true3D image might help,but most of the time,good 2D models that can be moved would be just aseffective.”
In the US,one school district in Colorado is already in the process of having 1,000 3Dprojectors fixed in classrooms.And the University of Caledonia, which carries out scientific research into the Lake Tabon Basin, has used 3D presentations with Grade Six pupils.Those who watched the 3D presentations were more engrossed and reported a general increase in their interest in science compared with students who watched the 2D version.
小题1:What is the main idea of the first three paragraphs?
A.There are slight differences between 3D and 2D images.
B.Pupils perform better when 3D images are used in classes.
C.Schools have difficulties in making full use of 3D technology.
D.3D technology is always more effective than 2D technology.
小题2:Danny Nicholson holds the view that 3D ________.
A.is of no help in classes
B.has a bright future in classes
C.is more practical than 2D models
D.may not be affordable for schools
小题3:What can we learn from the last paragraph?
A.3D technology will replace 2D models in the future.
B.Many pupils are now more Interested In science than before.
C.Teachers will use the 3D technology through specific training.
D.3D will soon be put into use in one school district in Colorado.
小题4:The underlined word “engrossed” in the last paragraph means ________.
A.absorbedB.annoyed
C.relaxedD.confused

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Google has been collecting tons of data about smartphone usage around the world.  Here are some of the most surprising and interesting facts:
Android is most popular in Japan, with 55% of respondents(调查对象) using it, compared with 39% for iOS.Android is also number one in a few other countries, including New Zealand (41%), the US(40%), and China (38%).
iOS is farthest ahead in Switzerland, with 52% usage vs 23% for Android.Other countries where iOS is far ahead include Australia (49% vs 25% Android), Canada (45% vs 23% Android and 23% Blackberry),  and France (43% vs 25% Android).
In Egypt, Windows Mobile is far more popular than iOS.13% of survey respondents use the Microsoft smartphone platform, behind Symbian (19%) and Android (14%). iOS is very far down at 4%.
Mobile social networking is biggest in Mexico and Argentina, where 74% and 73% of users visit a social network daily.But mobile­social is weak in Japan where 34% of users never visit a social network on their phone, and this figure rises to 41% in Brazil.
Watching video is most popular in Saudi Arabia, with 59% of respondents doing it daily.Number two is Egypt, with 41%.
Chinese users shop from their phones.59% of Chinese users do this, compared with only 41% in second­place Egypt.Chinese users also love to write reviews.41% of them write a review of a local business after looking it up on their smartphone.Number two, Japan, is far behind, with only 24% of respondents doing this.

小题1:Which of the following best describes the usage of the smartphone operating systems in Egypt?
A.Windows Mobile>iOS>Symbian>Android
B.Android>Windows Mobile>iOS>Symbian
C.iOS>Android>Symbian>Windows Mobile
D.Symbian>Android>Windows Mobile>iOS
小题2:In which of the following countries is mobile social networking least popular?
A.Brazil.        B.Japan.
C.Mexico.D.Argentina.
小题3:In which section of a newspaper can we most probably read the passage?
A.Health.B.Environment.
C.Technology.D.Entertainment.

题型:不详难度:| 查看答案
The first robot rover to land on the Moon in nearly 40 years, China"s Jade Rabbit, has begun sending back photos, with shots of its lunar lander(登月飞行器). Jade Rabbit rolled down a ramp lowered by the lander and on to the volcanic plain known as Sinus Iridum at 04:35 Beijing time on Saturday (20:35 GMT).It moved to a spot a few metres away, its historic short journey recorded by the lander. On Sunday evening the two machines began photographing each other. A Chinese flag is clearly visible on the Jade Rabbit as it stands deployed on the Moon"s surface.

Ma Xingrui, chief mander of China"s lunar programme, declared the mission (任务)a “plete success”. The first soft landing on the Moon since 1976 is the latest step in China"s ambitious space programme, says BBC science reporter Paul Rincon.
The lander will operate there for a year, while the rover is expected to work for some three months. The Chang"e­3 mission landed some 12 days after being launched atop a Chinese­developed Long March 3B rocket from Xichang in the country"s south. The official Xinhua news service reported that the lander began its descent(下降)on Saturday just after 13:00 GMT, touching down in Sinus Iridum (the Bay of Rainbows) 11 minutes later. “I was lucky enough to see a prototype rover(原型月球车) in Shanghai a few years ago ­ it"s a wonderful technological achievement to have landed,” Prof Andrew Coates, from UCL"s Mullard Space Science Laboratory, told BBC News.
Chang"e­3 is the third unmanned rover mission to touch down on the lunar surface, and the first to go there in more than 40 years. The last was an 840kg (1,900lb) Soviet vehicle known as Lunokhod­2, which was kept warm by polonium(钋)­210. But the six­wheeled Chinese vehicle carries a more sophisticated payload(复杂的有效负荷), including ground­penetrating radar which will gather measurements of the lunar soil and crust.
小题1:What does the text mainly talk about?
A.China"s space and aeronautics industry develops quickly.
B.The importance of China"s space and aeronautics industry.
C.China"s Jade Rabbit Moon rover sends back first photos.
D.Chang"e­3 is the third unmanned rover mission to touch down on the lunar surface.
小题2:After ________ years" hard and scientific work, the first soft landing on the Moon has made such great progress.
A.nearly 40B.37
C.64D.more than 40
小题3:The purpose that the Chinese moon rover has visited the moon is to ________.
A.do some research about the moon
B.be the first settler on the moon
C.to plant the Chinese flag onto the moon
D.send a lovely jade rabbit onto the moon
小题4:From the text, we know that the lander began its descent on Saturday just after ________ Beijing time.
A.13:00B.20:00
C.22:00D.21:00

题型:不详难度:| 查看答案
For the first time, researchers have discovered that some plants can kill insects in order to get additional nutrients. New research shows that they catch and kill small insects with their own sticky hairs near the roots and then absorb nutrients through their roots when the insects are killed and fall to the ground.
Professor Mark Chase, of Kew and Queen Mary, University of London, said: “The cultivated (改良的) tomatoes and potatoes still have the hairs. Tomatoes in particular are covered with these sticky hairs. They do trap small insects on a regular basis. They do kill insects.”
The number of these carnivorous plants is thought to have came up to 50 percent and many of them have until now been wrongly regarded as among the most harmless plants. Among them are species of petunia(矮牵牛), some special tobacco plants and cabbages, some varieties of potatoes and tomatoes, etc. Researchers at Royal Botanical Gardens Kew, which carried out the study, now believe there are hundreds more killer plants than previously realized.
It is thought that the technique was developed in the wild to get necessary nutrients in poor quality soil ­ and even various plants grown in your vegetable garden still have the ability.
The researchers, publishing their finding in the Botanical Journal of the Linnean Society, said: “We may be surrounded by many more murderous plants than we think.” “We are accustomed to thinking of plants as being immobile and harmless, and there is something deeply frightening about the thought of meat­eating plants,” they added.
小题1:Tomatoes and potatoes kill insects to ________.
A.get more sticky hairs
B.make themselves grow better
C.make their roots stronger
D.avoid falling down to the ground
小题2:The word “carnivorous” in Paragraph 3 most probably means ________.
A.fast­growingB.harmless
C.insect­killingD.nutritious
小题3:The insect­killing technique of vegetables is  developed most probably through ________.
A.evolution of species
B.helps from other garden plants
C.artificial cultivation
D.nutrients preserved in rich soil
小题4:The text is probably taken from ________.
A.a student bookB.a science fiction
C.a scientific repotD.a bulletin board

题型:不详难度:| 查看答案
Seven species of carp(鲤鱼) native to Asia have been introduced into United States waters in recent decades, but it"s four in particular-bighead, black, grass and silver-that worry ecologists, biologists, fishers and policymakers alike. Introduced in the southeast to help control weeds and parasites in aquaculture (水产养殖) operations, these fish soon spread up the Mississippi River system where they have been crowding out native fish populations not used to competing with such aggressive invaders. The carps" presence in such numbers is also harming water quality and killing off sensitive species.
Asian carp are strong to jump over barriers such as low dams. They lay hundreds of thousands of eggs at a time and spread into new habitat quickly and easily. Also, flooding has helped the fish expand into previously unattainable water bodies. And fishers using young carp as live bait have also helped the fish"s spread, as they have boats going through locks up and down the Mississippi.
The federal government considers the Asian carps to be annoying species and encourages and supports “active control” by natural resources management agencies. Federal and state governments have spent millions in tax dollars to prevent the carp from making their way into the Great Lakes, but an underwater electric fence constructed to keep them out has not worked as well as hoped, and policymakers are reviewing other options now.
In the meantime, state and federal agencies are monitoring the Mississippi and its branches for Asian carp and testing various barrier technologies to prevent their further spread. For instance, the National Park Service is cooperating with the state of Minnesota"s Department of Natural Resources to construct new dams that are high enough to prevent Asian carp from jumping over. The Asian Carp Regional Coordinating Committee has funded DNA monitoring in potentially affected water bodies whereby researchers can determine whether the troublesome fish are present just by the biological footprints they leave behind. Individuals can do their part by not transporting fish, bait or even water from one water body to another, and by emptying and washing boats before moving them between different water bodies.
小题1:Asian carp have been introduced to the USA in order to ________.
A.improve water quality
B.help sensitive species
C.control the number of native fishes
D.control the ecosystem in aquaculture
小题2:The measure to keep Asian carp out of the Great Lake but proved not good is ________.
A.testing various barrier technologies
B.construction of an underwater electric fence
C.Emptying and washing boats before using them.
D.monitoring the Mississippi and its branches for Asian carp
小题3:It is suggested from the passage that ________.
A.aquaculture operations are dangerous to the water bodies
B.scientific technology is useless in preventing Asian carp spreading
C.both the state and the individuals can make efforts to keep out Asian carp
D.Asian carp have successfully invaded the Mississippi and the Great Lakes

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