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66. The first paragraph aims to introduce to us _______.

A. the function of wind power        B. the source of wind power

C. the nations using wind power           D. the history of using wind power

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65. In which column of Mail Online can you find this passage?

  A. Sports.      B. Science.     C. Health.         D. Shopping.

C

We've used the wind as an energy source for a long time. The Babylonians and Chinese were using wind power to pump water for irrigating crops 4,000 years ago, and sailing boats were around long before that. Wind power was used in the Middle Ages, in Europe, to grind(磨碎) corn, which is where the term "windmill" comes from.

We can use the energy in the wind by building a tall tower, with a large propellor on the top. The wind blows the propellor round, which turns a generator to produce electricity. We tend to build many of these towers together, to make a "wind farm" and produce more electricity. The more towers, the more wind, and the larger the propellors, the more electricity we can make. It's only worth building wind farms in places that have strong, steady winds, although boats and caravans(大篷车)increasingly have small wind generators to help keep their batteries charged.

The best places for wind farms are in coastal areas, at the tops of rounded hills, open plains and gaps in mountains-places where the wind is strong and reliable. Some are offshore. To be worthwhile, you need an average wind speed of around 25 km/h. Most wind farms in the UK are in Cornwall or Wales. Isolated places such as farms may have their own wind generators. In California, several “wind farms” supply electricity to homes around Los Angeles.

The propellors are large, to obtain energy from the largest possible volume of air. The blades can be angled to cope with varying wind speeds. Some designs use vertical turbines(垂直涡轮机), which don't need to be turned to face the wind. The towers are tall, to get the propellors as high as possible, up to where the wind is stronger. This means that the land beneath can still be used for farming. 

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64. From this passage we can infer _______.

  A. trendy shoes may ruin teenagers’ health

B. fashionable shoes all have orthotics in them

  C. experts are strongly against wearing popular shoes

  D. podiatrists are expert at producing branded shoes

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63. The underlined word “halt” in the last paragraph probably means _______.

A. increase       B. worsen       C. stop       D. cure

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62. Which pair of shoes may not be found on the podiatrists’ wish list?

A.       B.          C.         D.

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61. Of all the shoes mentioned in the passage, which can cause the worst problems?

  A. Marks & Spencer.             B. Wedges & Stilettos.  

C. Keds and Vans.            D. Ballet Pumps.

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60. Which of the following information isn’t mentioned in the passage?

  A. The global partnership of collecting wild plant species.

  B. The temperature condition of the conservative wild plant species.

  C. The government’s financial support for the seed bank project.

D. Scientists’ concern on the extinct wild plant species.

B

Vans, Keds, Dollies-they sound like the names of rock bands, but if you have teenagers, you'll know they're actually the latest in teenage footwear.

But experts are now warning that the current shoe fashions will be causing teenagers discomfort in the short term and storing up years of foot, knee and back pain in the future.

Here, the experts identify the problems caused by teenagers' shoe choice.

KEDS/VANS

Slip-on shoes with elastic (弹性的)sides are particularly popular among teenage boys - with Keds and Vans the most sought-after brands.

The main problem is that they are just too flat-so flat that the heel, which strikes the ground first, also becomes damaged and painful.

BALLET PUMPS

The worst shoes of all are such light and thin dolly shoes. The problem is partly their flatness, as with Keds and Vans. However ballet pumps, which have no string or heel, have other specific problems.

“As the shoe has no fastening device, it relies on the toes to keep the shoe on, causing an awkward gait(步法), this leads to short- and long-term problems such as calluses(茧子), heel and knee pain.”

WEDGES AND STILETTOS

These shoes can also cause problems with gait. They may look good, but the heels on these are so high they can force the wearer's body weight forward, making them very unstable.

Teens who wear these shoes regularly are also in danger of joining those millions of women with constant back pain.

SCHOOL SHOES

So what do podiatrists(足科医生)have on their wish list, especially for everyday wear?

Something in a natural, breathable fabric, with a string to hold it on, with a small heel and a deep toe-box that does not press the toes, such as Clark's, Marks & Spencer or Rhino.

If your teen insists on wearing 'bad' shoes, get them some simple foot orthotics(矫形器) in the shoes. These support and correct the movement of the foot and, properly fitted by a podiatrist, can often transform their walk and halt the damage.

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59. What does the underlined word “it” in paragraph 7 refer to?

  A. The extinction of plant species.        B. The Millennium Seed Bank Project. 

C. Britain’s seed bank.             D. Kew Gardens’ next goal.

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58. We can learn from the passage that _______.

  A. the seeds in the bank can be used now and then all over the world

  B. India and Brazil haven’t joined in the Seed Bank Project at present

  C. there is only one seed bank in the world at present

  D. the wild plants in places like India and China will never die out

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57. The wild banana seed in China is in danger because of _______.

  A. the expanding of farming work      B. the climate change in this area

  C. the large number of Asian elephants    D. human’s large consumption

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