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Chinese diet is considered to be one of  the most healthy diet in the world because it contains less sugar and fat£¬keeping us away from obesity£®
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Those junk foods are rich in fat and sugar£¬which has a negative effect on ourhealth£®
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½â´ð Chinese diet is considered to be one of  the most healthy diet in the world because it contains less sugar and fat£¬keeping us away from obesity£¨¸ß·Ö¾äÐÍÒ»£©£®However£¬with the wide spread of Mc Donald's and KFC fast food restaurants in China£¬many young  Chinese people found more and more junk food are coming into their diets£®Those junk foods are rich in fat and sugar£¬which has a negative effect on ourhealth£¨¸ß·Ö¾äÐͶþ£©£®In order to maintain our health£¬we should do more exercise£®Meanwhile£¬it is a must to keep a balanced diet with less sugar and fat but more fruit and vegetables£®

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5£®One part of the world is still largely unexplored£®It is the deep sea£®Over the years£¬many people have explored under the sea£®But the first deep-sea divers£¨Ç±Ë®Ô±£© wanted to find sunken treasure£®They weren't really interested in studying the creatures of life there£®Only recently have they begun to learn some of the mysteries of the sea£®
It's not easy to explore the deep sea£®A diver must have a way of breathing underwater£®He mus be able to protect himself from great pressure£®The pressure of air is about 15 pounds or every square inch£®But the pressure of water ii about 1£¬300 pounds on every square inch!
The first diving suits were made rubber£®They had a metal helmet£¨Í·¿ø£© with windows in it£®The shoes were made of lead and weighed twenty pounds each!These suits let divers go down a few hundred feet£¬but they were no good for exploring the very deep waters£®With a metal diving suit£¬a diver could go down 700 feet£®Metal suits were first used in the 1930s£®
In 1927£¬a diver named William Beebe wanted to explore deeper than anyone had ever gone before£®He was not interested in finding treasure£®He wanted to study the creatures and plants of the sea£®His friend invented a metal ball called the Bathysphere£®It weighed more than 5£¬000 pounds£¬but in it Beebe went down 3£¬028 feet£®He saw many things that had never been seen by humans before£®

47£®People who first explored the deep sea hoped toD£®
A£®learn about the animals and plants of the sea
B£®solve some mysteries about the sea
C£®search information which is useful for studying
D£®discover precious things under the sea
48£®According to the text£¬what make £¨s£© deep-sea diving difficult£¿A
A£®The pressure of water£®
B£®The temperature of water£¬
C£®The dangerous sea creatures£®
D£®The heavy breathing equipment£®
49£®Compared with rubber diving suits£¬metal diving suitsC£®
A£®had windows in the metal helmet
B£®weighed twenty more pounds
C£®were good for exploring deeper waters
D£®began to be used much earlier
50£®What do we know about William Beebe from the text£¿A
A£®He broke the diving record in his time£®
B£®He failed to find the treasure he wanted£®
C£®He met something terrible under the sea£®
D£®He was the first diver to explore the deep sea£®
11£®Scientists from the United States say they have found fish and other creatures living under key waters in Antarctica£®They made the announcement after completing three months of research at the Ross Ice Shelf-the world's largest floating ice sheet£®
The researchers hoped to find clues to explain the force of the melting ice and its effect on sea level rise£®Reed Scherer and Ross Powell are with Northern Illinois University in DeKalb£¬Illinois£®They just finished up their research on our southernmost continent£®Money for the project came from America's National Science Foundation£®
"We chose a study site where£¬in the first year£¬we went into the subglacial£¨±ù´¨Ïµģ©lake and tried to understand the environment there£¬both ecologically and in terms of the ice dynamics about how the lake operates£¬and how the sediment£¨³ÁµíÎunderneath the ice sheet operates£¬as well£¬because it's the water and the sediment underneath the ice that control how fast the ice is flowing into the ocean£®"says Ross Powell£¬who led the investigation£®The team included scientists£¬engineers£¬machinery and other supplies across the ice from the main U£®S£®scientific base at McMurdo Station to the researcher's camp£®The camp was near a subglacial lake£¬where an earlier study took place£®
Ross Powell says the latest study may provide evidence that can help predict the effect of climate change on rising sea level£®
"What we have found is that these are very sensitive areas to the stability of how dynamic the ice is and how fast the ice may react to increases of melting both from the ocean and the atmosphere£®"
Among the new instruments built for the project was a powerful hot water drill£®The researchers used the drill to dig down some 740 meters£®They collected water£¬sediment and other material from the grounding zone£®
Working around the clock before the deep hole refroze£¬they sent a video camera down to the 400-square-meter undersea area£®
Reed Scherer says the video images they saw in the Command Center were a total surprise£®
"It's a very mobile environment£®The bottom is changing constantly£®And so the things that we saw were all very mobile organisms£¬things that swim and some things that crawl£®And obviously they are getting enough nutrition that they can thrive on£®Some of the little crustacean-like creatures called amphipods that we saw swam quite quickly and were quite active£®"
This is the farthest south where fish have ever been seen£®How did the creatures get here£¿What do they feed on£¿And what effect will the retreating ice have on them£¿
Ross Powell says the ice and sediment cores taken from the grounding zone can offer clues£®
"We know that the ice is melting there at the moment and so by opening up the cores once they get back£¬we hope to be able to understand what the ice was doing in the past£¬relative to what it is doing now£®And because it is melting so fast or seems to be melting fast at the moment£¬we anticipate that there will be some differences that we'll see in the history of the ice sheet from the sediment cores£¬once we open them up£®"But Ross Powell says the work raises more questions than it answers£®
29£®Scientists conducted the three-month research at the Ross Ice Shelf with the intention ofD£®
A£®predicting how climate change influences rising sea level
B£®finding out whether there are life forms existing deep under Antarctic ice
C£®proving the speed of ice flowing into the ocean is controlled by water
D£®discovering an explanation of the effect the melting ice has on sea level rise
30£®What made the researchers surprised when they saw the video images£¿A
A£®Researchers saw fish in the farthest south for the first time£®
B£®A video camera was able to work well under deep icy waters£®
C£®Sediment cores present differences in the history of the ice sheet£®
D£®The drill should dig down 740 meters to collect things£®
31£®From sediment cores taken from the grounding zone£¬scientists will probably knowD£®
A£®what the ice will do in the near future
B£®the ice in the grounding zone is melting at the moment
C£®some differences rarely exist in the history of the ice sheet
D£®something about the creatures under icy water in Antarctica
32£®What can be inferred from the passage£¿A
A£®Scientists will conduct a follow-up study on the frozen continent£®
B£®No creatures once appeared or lived in icy water in Antarctica£®
C£®America's National Science Foundation is in complete charge of the research£®
D£®Researchers have found how the sediment underneath the ice sheet operates£®
1£®Gabby Logan was a gymnast when she was young£®She is now the 39-year-old mother of seven-year-old twins£¬Reuben and Lois£®The other day on TV she was dressed in a new swimsuit£¬which was designed to show off her nice figure£¬which was admired by a great number of television viewers£®
Gabby£¬who won high praise for her television show of the Olympics£¬has asked the woman of the whole nation to go to the swimming pool£¬saying the secret of her figure is regular swimming£®She is also making advertisements for the new Sculpture Swimwear of Speedo£¬an international swimsuit company£¬to help women find the perfect swimsuit£®
Gabby said£¬"We all felt uneasy about getting into our swimwear at first£®But we should be excited by the sporting achievements we have seen at the Olympics this summer£®To get ourselves a little healthier£¬have a try and go to the swimming pool£®"Then she said£¬"Swimming is the perfect exercise if you want to feel healthy or simply relax£®I find that going for a swim always clears my mind and also gives me some valuable 6 my time'£®I like the calm of swimming which I can't experience when I am not in the pool£®"
A study by Speedo£¬an International company£¬which sells swimsuits£¬reported the biggest reason why women were put off going to the pool was the way they looked in swimwear£®More than half of the l£¬000 women surveyed have been reduced to tears when trying on swimwear£®And 48 percent said they felt too self-conscious to go swimming with their children£®Sally Polak£¬from Speedo£¬said£¬"We're hoping to give women the courage and confidence to get back into the water£®"
21£® What can we learn about Gabby Logan£¿A
A£®She has two children of the same age£®
B£®She appeared on TV to show off her nice figure£®
C£®She was a swimmer when she was young£®
D£®She took part in the Olympic Games when she was young£®
22£®What is the main reason why Gabby has a nice figure£¿B
A£®She is a gymnast£®
B£®She often swims£®
C£®She has a peaceful mind     
D£®She wears Sculpture Swimwear£®
23£® The biggest reason why most women were stopped from swimming isA£®
A£®their shy mind of wearing the swimsuit
B£®their being too busy with their housework
C£®their not being comfortable in the swimsuit
D£®their being afraid of their child seeing them wear less
24£®What is the author's purpose of writing the text£¿D
A£®To introduce a famous woman£®
B£®To discuss a TV show of the Olympics£®
C£®To report a way of keeping a good figure£®
D£®To encourage women to go swimming£®

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