正确答案:

题目：Paragraph 5__________

解析：【解析】第五段讲网格能成为我们的私人助手。只要给网格下任务，网格就能通过联网的计算机自动寻找解决方案。C．“just make a request”即表达了这一意思。故选C。

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学习资料的答案和解析：

[单选题]请在第___________处填上正确答案．

阅读材料，回答下面的题目： What We Take from and Give to the Sea  As 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, to51millions of people. We even52their bones for fertilizer. We take minerals from the ocean. One way to get salt is to53seawater in shallow basin and leave 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 simpleevaporation.56gifts from the sea are pearls, sponges( 海绵) and seaweed. Pearls57jewelry. Natural sponges become cleaning aids. Seaweed becomes 58 of many kinds-even candy, and ice cream - 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 on fresh water from the sea. The sea63us 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.请在第___________处填上正确答案．

food

解析：【答案】D【解析】句意为：海草可加工成许多种食品，像糖果……，food“食物”。

[单选题]

回答下面的题目:The American FamilyIn the American family the husband and wife usually share important decision making. When the children are old enough, they take part_________(51). Foreigners are often surprised by the permissiveness of American parents. The old rule that "children should be seen and not heard" is rarely_________(52), and children are often allowed to do what they wish without strict parental_________(53). The father seldom expects his children to obey him_________(54) question, and children are encouraged to be independent_________(55) an early age. Some people believe that American parents carry this freedom_________(56) far. Others think that a strong father image would not_________(57) the American values of equality and independence. Because Americans emphasize the importance of independence, young people are expected to break_________(58) their parental families by the time they have_________(59) their late teens or early twenties. (60), not to do so is often regarded as a failure, a kind of weak dependence.This pattern of independence often results in serious_________(61) for the aging parents of a small family. The average American is expected to live(62) the age of 70. The job-retirement age is _________(63) 65. The children have left home, married, and_________(64) their own households. At least 20 percent of all people over 65 do not have enough retirement incomes. _________(65) the major problem of many elderly couples is not economic. They feel useless and lonely with neither an occupation nor a close family group.

suit

[单选题]Besides cutting its cost，Unilever alsoabandoned its__________． A．their workforceB．huge portionsC．large quantitiesD．their moneyE．a good bargainF．minor brands

回答下面的题目：How Technology Pushes Down Price1 Prices have fallen in the foodbusiness heeause of advances in food production and distribution technology.Consumershave benefited greatly from those advances．People who predicted that the wold would run out of food were wron9．We are producing more and more food with less and less capital.Foodis 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 pushdown prices mainly because of their scale．Like any big business’they can invest in IT systems that make themefficient．And their size allows them to buv in bulk．As supermarkets get bigger，the prices getlower． 3 Huge retail companies such asWal-Mart have tremendous power and they can put pressure on producers to cuttheir margins．As a result，some producers have had to make cuts．Inrecent years.Unilever has cut its workforce by33，000 to 245，000 anddropped lots of its minor brands as Dart of its“path to growth”strategy．Cadbury has shut nearly 20 percent of its 133 factories and cut 10Dercent of its 55，000 global workforce．These cuts help keep costs down，and theprice of food stays low． 4 Does cheap food make people unhealthy? Cheap food may encotlrage people toeat more．Good companies certainly think that givingpeople more food for their money makes them buy more．Givingpeople bigger portmns IS an easy way of making them feel they have got a betterdeal．That is why Dortions have got larger and larger．In America，soft drinks came in 80z(225g)cansin the past，then 120z(350g)，andnow come in 200z(550g)calls．If a company can sell youan 80z portion for$7，they can sell you a 120z portionfor$8．The only extra cost to the company is the food，which Drobably costs 25 cents． 5 Now companies are under pressureto stop selling bigger portions for less money．But it is hard to change the trend．Paragraph 1__________

解析：题意：除了降低成本，联合利华也放弃了……。根据文章第三段第三句后半句…dropped lots of its minor brands as part of its“path to growth” strategy可知，联合利华为了实现增长战略放弃了其旗下的一些小品牌。故本题选F。

[单选题]请在第__57__处填上正确答案。

根据材料，完成下面的题目。UFOS       Sixty years ago, a. man named Kenneth Arnold saw something that we can still (51) today -- something that changed popular culture for ever.Flying his plane over mountains in the U. S. state of Washington, he saw a,line of strange objects, either crescent-shaped (月牙形的) or disc-like, flying (52) the motion of a saucer (碟) skimming (飞速掠过) on water.       The media soon picked up on the story -- the Flying Saucers were here] Was the earth being (53) by creatures from another planet? Soon, So many sightings were made that the U. S. military began to (54) It called these strange Objects UFOs – Unidentified Flying Objects, and that is how they are (55) today.       Military investigations found no evidence of visitors from outer space. But that did not stop the true (56) The military were (57) up, they said. Or maybe it was because the travelers from space were of such superior intelligence (58) they could hide from military analysts (分析家).People have always seen strange lights in the sky. In the past these were explained in (59) ways. In a world where religion was less influential and science fiction was popular, signs from God were replaced by visitors from other (60).       The date of the first UFO sightings was also significant. In 1947, World War II had just ended and the (61) War was just .beginning. Humanity seemed locked in endless conflicts. Like generations before them, people looked (62) the skies for help. But instead of seeking God, they looked for help from super-intelligent aliens (外星人) with (63) technology. Belief in UFOs became the first religion of science.However, even people who believe in UFOs are not quite sure why they visit the earth.The universe is a big place and it is (64) to assume that there is life somewhere out there. It is possible that aliens have worked out how to travel through space. Yet some people report that they have been taken by aliens and have had experiments (65) on them. Why would anyone travel across half the universe to conduct medical experiments on people living in small towns in the United States?请在第__51__处填上正确答案。

covering

解析：【题 干】他们说，军方在__________。A．放 B．遮住 C．欺骗 D．捉弄【解 析】本题考查词组。cover up是_隐瞒”的意思。那些相信有UF0存在的人认为军方在隐瞒。因此8为正确答案。cheat不跟up连用。

[单选题]请在第__62__处填上正确答案。

根据材料，完成下面的题目。UFOS       Sixty years ago, a. man named Kenneth Arnold saw something that we can still (51) today -- something that changed popular culture for ever.Flying his plane over mountains in the U. S. state of Washington, he saw a,line of strange objects, either crescent-shaped (月牙形的) or disc-like, flying (52) the motion of a saucer (碟) skimming (飞速掠过) on water.       The media soon picked up on the story -- the Flying Saucers were here] Was the earth being (53) by creatures from another planet? Soon, So many sightings were made that the U. S. military began to (54) It called these strange Objects UFOs – Unidentified Flying Objects, and that is how they are (55) today.       Military investigations found no evidence of visitors from outer space. But that did not stop the true (56) The military were (57) up, they said. Or maybe it was because the travelers from space were of such superior intelligence (58) they could hide from military analysts (分析家).People have always seen strange lights in the sky. In the past these were explained in (59) ways. In a world where religion was less influential and science fiction was popular, signs from God were replaced by visitors from other (60).       The date of the first UFO sightings was also significant. In 1947, World War II had just ended and the (61) War was just .beginning. Humanity seemed locked in endless conflicts. Like generations before them, people looked (62) the skies for help. But instead of seeking God, they looked for help from super-intelligent aliens (外星人) with (63) technology. Belief in UFOs became the first religion of science.However, even people who believe in UFOs are not quite sure why they visit the earth.The universe is a big place and it is (64) to assume that there is life somewhere out there. It is possible that aliens have worked out how to travel through space. Yet some people report that they have been taken by aliens and have had experiments (65) on them. Why would anyone travel across half the universe to conduct medical experiments on people living in small towns in the United States?请在第__51__处填上正确答案。

to

解析：【题 干】就像先辈们一样，人们——天空寻求帮助。A．在……上面B．朝向 C．在D．N_k【解 析】本题考查介词。没有look above这样的搭配；look t0的意思是“朝……看”；look at是“看着”，没有任何方向的含义；look up的意思“查找”。根据题意，本题选择B。

[单选题]请在第_______处填上正确答案。

根据以下资料，回答下面的题目。Chicken Soup for the Soul：Comfort Food Fights Loneliness 请在第_______处填上正确答案。

looked at   

[单选题]The Country was torn apart by strife.

war

解析：句意为：这个国家被冲突撕裂。strife“冲突，不和”，四个选项：poverty“贫困”；conflict“冲突，矛盾”；war“战争”；economy“经济”。