最新试题
A healthy life is frequently thought to be connected with the open countryside and homegrown food.
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The war was over,but the whole country was in a state of disorder.
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Nerve signals may travel through nerve or muscle fibers at speeds as high as two hundred miles per hour.
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The reason for their unusual behavior remains a puzzle.
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"What do you mean by that?"Paul asked sharply.
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They have been living under the most appalling conditions for two years.
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I catch cold now and then.
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He would not give up though he realized that people would not regard him as a lawful king.
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共用题干
What We Take From and Give to the SeaAs long as we have been on earth,we have used the sea around us.We take from the ocean,and we give to it.We take fishes from the ocean-millions of kilograms of fish,every year,to________(51)millions of people.We even_______(52)their bones for fertilizer.We take minerals from the ocean.One way to get salt is to_______(53)seawater in shallow basin and leave it until it evaporates(蒸发).Along with salt,other minerals are left_______(54)evaporation.Much gold and silver drift dissolved in the waters of the sea,too.But the sea does not give them_______(55)by simple evaporation.________(56)gifts from the sea are pearls , sponges(海绵)and seaweed.Pearls________(57)jewelry.Natural sponges become cleaning aids.Seaweed becomes______(58)of many kinds一even candy,and ice cream一as well as medicine.Believe it or not,fresh water is another_______(59)from the sea.We cannot drink ocean water.Some of its contents may______(60)illness.But ocean water becomes fresh water when the salts are ________(61).In the future,we will find ourselves.________(62)more and more onfresh water from the sea.The sea_______(63)us food,fertilizer,minerals,water,and other gifts.What do we give the sea?Garbage.We pollute the ocean_______(64)we use it as a garbage dump.Huge as it is,the ocean cannot hold all the water that we pour into it.________(65)garbage into the ocean is killing off sea life.Yet as the world population grows,we may need the sea and its gifts more than ever.
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John has always remained loyal to his family and friends.
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热门试题
Keep your passport in a secure place.
The book took ten years of thorough research.
How Technology Pushes Down Price
1 Prices have fallen in the food business because of advances in food production and distribution technology. Consumers have benefited greatly from those advances. People who predicted that the world would run out of food were wrong. We are producing more and more food with less and less capital. Food is therefore more plentiful and cheaper than it has ever been. Spending on food compared with other goods has fallen for many years,and continues to drop.
2 Supermarkets have helped push down prices mainly because of their scale. Like any big business,they can invest in IT systems that make them efficient. And their size allows them to buy in bulk. As supermarkets get bigger,the prices get lower.
3 Huge retail companies such as Wal-Mart have tremendous power and they can put pressure on producers to cut their margins. As a result,some producers have had to make cuts. In recent years,Unilever has cut its workforce by 33,000 to 245,000 and dropped lots of its minor brands as part of its “path to growth” strategy. Cadbury has shut nearly 20 per cent of its 133 factories and cut 10 per cent of its 55,000 global workforce These cuts help keep costs down,and the price of food stays low.
4 Does cheap food make people unhealthy? Cheap food may encourage people to eat more. Food companies certainly think that giving people more food for their money makes them buy more. Giving people bigger portions is an easy way of making them feel they have got a better deal. That is why portions have got larger and larger. In America,soft drinks came in 8oz (225g) cans in the past,then 12oz (350g),and now come in 20oz (550g) cans. If a company can sell you an 8oz portion for $7,they can sell you a 12oz portion for $8. The only extra cost to the company is the food, which probably costs 25 cents.
5 Now companies are under pressure to stop selling bigger portions for less money. But it is hard to change the trend.
Paragraph 4
They converted the spare bedroom into an office.
Traffic reaches its rush hour between 8:00 and 9:00 in the morning.
The Development of Ballet
Ballet is a dance form that has a long history. The fact that it survives to this day shows that it has adjusted as time have changed.
Ballet began in the royal courts during the Renaissance. At that time it became common for kings and queens, as well as other nobility (贵族),to participate in pageants that included music, poetry, and dance. As these entertainments moved from the Italian courts to the French ones, court ladies began participating in them. Though their long dresses prevented much movement, they were able to perform elaborate (复杂的)walking patterns. It was not until the 1600s that women dancers shortened their skirts, changed to flat shoes, and began doing some of the leaps and turns performed by men.
It was also in the 1600s that professional ballet began. King Louis XIV of France, himself a devoted dancer, founded the Royal Academy of Dance. The five basic feet positions from which all ballet steps begin were finalized. In the late 1700s another important change occurred. Ballet began to tell a story on its own. It was no longer simply dance to be performed between acts of plays, Elaborate wigs(假发)and costumes were eliminated. By the early 1800s dancers learned to rise on their toes to make it appear that they were floating.
Classical ballet as we know it today was influenced primarily by Russian dancing. The Russians remained interested in ballet when it declined in other European countries in the mid-1800s. One of the most influential figures of the early 20th century was Sergei Diaghilev. His dance company,the Ballets Russes,brought a new energy and excitement to ballet. One of his chief assistants , George Balanchine, went on to found the New York City Ballet in 1948 and to influence new generations of dancers.
This passage deals mainly with{pz_填空}.
She always finds fault with everything.()
Come out, or I’ll bust the door down.
A number of theories have been proposed to explain the situation.
She gave up her job and started writing poetry.()