题目内容
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A．How Web pages are put together.
B．How to write software.
C．How to surf the Internet.
D．How to drive cars.
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更多“When you are on the Informatio…”相关的问题
A、Swimming is when you propel yourself through the water with parts of your body.
B、Swimming is a sport in which you propel yourself through the water with parts of your body.
C、A department store is a store where all kinds of commodities are bought.
D、A department store is a place where all kinds of commodities are bought.
A、If you are a guest, it is polite to wait until your host starts eating or indicates you should do so.
B、Blow your nose on your napkin.
C、Say “thank you” when you are served something.
D、Always chew and swallow all the food in your mouth before talking to others.
B．Pleased to meet you
C．Hello
D．Fancy meeting you here
A、Tone
B、Pacing
C、Intonation
D、stress
A、Bullying
B、A last –minute claim
C、Appeal to a higher authority
D、A last –minute claim & Appeal to a higher authority
E、Appeal to a higher authority & Bullying
Over vast areas of every continent,the rainfall and vegetation necessary for life are disappearing.Already more than 40 percent of the earth's land is desert or desertlike.About 628 million people—one out of seven—live in these dry regions.In the past,they have managed to survive,but with difficulty.[ZZ(Z]Now largely through problems caused by modern life,their existence is threatened by the slow,steady spread of the earth's deserts. Scientists still do not understand all the complex problems of the desert,but there have been many ideas for saving the land.Sandi Arabia has planted 10 million trees to help keep the sand from taking over fertile areas.The Israelis are aga in using some of the water collection systems left by the ancient people in the Negev desert.They plan to water their orchards with the extra water.Some Sahel farmers still raise cattle on their poor farm land,but before the cattle are sold, they are taken to greener lands in the south to get fat.
26. What is the article mainly concerned？
A.The problem of spreading desert.
B.The rainfall and vegetation in desert areas.
C.The water collection systems.
D.The difference between modern life and ancient life.
27. “one out of seven” refers to____.
A.more than a third of the lands' earth
B.the percentage of the earth's land that is desert-like
C.the number of people who live in dry regions
D.a day of a week
28. In paragraph 2,“they are taken to the greener lands in the south.”They refers to____.
A.the Sahel farm land
B.the farmers
C.the cattles
D.the trees
29. How many ideas for saving the land are described？
A.Five. B.Two. C.Four. D.Three.
30. Which of the following statements is true, according to the passage？
A.The earth's desert are slowly spreading.
B.One out of 10 people lives in dry regions.
C.Their life in the desert is threatened now by traditional problems.
D.New water wells can solve the problem in Africa's desert.
Questions 46 to 50 are based on the following passage.
“Sugar, alcohol and tobacco,” economist Adam Smith once wrote, “are commodities which are nowhere necessaries of life, which have become objects of almost universal consumption, and which are, therefore, extremely popular subjects of taxation.”
Two and a half centuries on, most countries impose some sort of tax on alcohol and tobacco. With surging obesity levels putting increasing strain on public health systems, governments around the world have begun to toy with the idea of taxing sugar as well.
Whether such taxes work is a matter of debate. A preliminary review of Mexico’s taxation found a fall in purchases of taxed drinks as well as a rise in sales of untaxed and healthier drinks. By contrast, a Danish tax on foods high in fats was abandoned a year after its introduction, amid claims that consumers were avoiding it by crossing the border to Germany to satisfy their desire for cheaper, fattier fare.
The food industry has, in general, been firmly opposed to such direct government action. Nonetheless, the renewed focus on waistlines means that industry groups are under pressure to demonstrate their products are healthy as well as tasty.
Over the past three decades, the industry has made some efforts to improve the quality of its offerings. For example, some drink manufacturers have cut the amount of sugar in their beverages.
Many of the reductions over the past 30 years have been achieved either by reducing the amount of sugar, salt or fat in a product, or by finding an alternative ingredient. More recently, however, some companies have been investing money in a more ambitious undertaking: learning how to adjust the fundamental make-up of the food they sell. For example, having salt on the outside, but none on the inside, reduces the salt content without changing the taste.
While reformulating recipes (配方)is one way to improve public health, it should be part of a multi-sided approach. The key is to remember that there is not just one solution. To deal with obesity, a mixture of approaches—including reformulation, taxation and adjusting portion sizes—will be needed. There is no silver bullet.
46.What did Adam Smith say about sugar, alcohol and tobacco？
A.They were profitable to manufacture.
B.They were in ever-increasing demand.
C.They were subject to taxation almost everywhere.
D.They were no longer considered necessities of life.
47.Why have many countries started to consider taxing sugar？A.They are under growing pressure to balance their national budgets.
B.They find it ever harder to cope with sugar-induced health problems.
C.The practice of taxing alcohol and tobacco has proved both popular and profitable.
D.The sugar industry is overtaking alcohol and tobacco business in generating profits.
48.What do we learn about Danish taxation on fat-rich foods？A.It did not work out as well as expected.
B.It gave rise to a lot of problems on the border.
C.It could not succeed without German cooperation.
D.It met with firm opposition from the food industry.
49.What is the more recent effort by food companies to make foods and drinks both healthy and tasty？A.Replacing sugar or salt with alternative ingredients.
B.Setting a limit on the amount of sugar or salt in their products.
C.Investing in research to find ways to adapt to consumers’ needs.
D.Adjusting the physical composition of their products.
50.What does the author mean by saying, at the end of the passage, “There is no silver bullet”(Line 4，Para.7)？
A.There is no single easy quick solution to the problem.
B.There is no hope of success without public cooperation.
C.There is no hurry in finding ways to solve the obesity problem.
D.There is no effective way to reduce people’s sugar consumption.
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