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"While protected areas are generally designed to be safe havens, unchecked human pressures car have a negative impact," says zoologist Femke Broekhuis, lead author of a new study by the University of Oxford that has raised questions about levels of tourism in protected areas.

The study focused on female cheetahs(非洲猎豹)in the Maasai Mara National Reserve, Kenya. Cheetahs have babies of one to six, few of which make it to adulthood. The study claims that the already low cubs(幼崽)survival rate is made even worse by tourist pressure. It found that one or no cub survived to adulthood in areas with high levels of tourism, while an average of two survived in areas with low levels.

The higher death rate is likely to be caused by poor food supplies for the cubs. "Cheetahs, especially those with cubs, are a major tourist attraction and commonly attract large numbers of vehicles," says Broekhuis. "High tourist numbers have been found to negatively impact cheetah hunts and even if a hunt is successful, the presence of tourists can result in a cheetah abandoning its kill."

While Broekhuis is eager to stress the positive role of conservation, she also admits the results are worrying. Cheetah numbers are already being squeezed. Predation(掠夺)from lions as well as habitat reduction means the big cats have experienced sharp population decline. In fact, their numbers are thought to have halved in Kenya in the past 40 years to around 7,000. They have also disappeared from                                        91 percent of their historic range.

Researchers suggest stricter limits on the number of cars allowed near the animals. Growth rates for cheetahs inside the protected areas need to be high if they are to make up for declines outside of them.

【小题1】What is the text mainly about?
A.Cheetah numbers halved.
B.Conservation has a positive effect,
C.Tourism reduced cheetah numbers,
D.Tourists are not allowed to get close to cheetahs.
【小题2】Why do cubs suffer higher death rate?
A.Because the birth rate is low,
B.Because hunman hunt them cruelly.
C.Because their habitat is reduced.
D.Because they have poor food supplies.
【小题3】What is Broekhuis' attitude towards the results?
A.DisappointedB.Worried.
C.Satisfied.D.Shocked.
【小题4】What is the researchers' advice?
A.Set more preserves.B.Stop hunting cheetahs.
C.Give cheetahs more food.D.Limit cars near cheetahs.
21-22高二上·河北邯郸·期末
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The greatest threat to our planet is the belief that someone else will save it. In fact, no single one can. We ourselves must walk the right path and make a difference. We should start by doing what's necessary, then doing what's possible and will certainly achieve what may seem impossible!

Some environmentalists desire the pleasure in the pathless woods and the happiness in the lonely shore. This is a true account of an organization, called Nurture Nature, which offers a lot of opportunities and avenues to enrich not just one's surroundings but the one himself.

To many, it may seem that it brings about just another forum to save the planet, and it does. However, there is something bigger that it brings to you, an opportunity to redefine yourself, and a wish to make sure that you believe that you are indeed part of it. Being identified by the UN Environmental Programme, it lives up to the dreams we have dreamed.

Nurture Nature is an organization not only to educate the citizens of our nation and world-wide but also to spread awareness about the various atrocities (暴行) of humans towards our planet. Staff at Nurture Nature deal with the aim of making each and every person aware of their specific duties and responsibilities towards the planet and doing the needful before it's too late.

By organizing campaigns and spreading our reach through social media, staff at Nurture Nature surely do their best to fulfill the aim. This initiative has received an incredible response from funders worldwide and funds for the campaign and other tasks were collected. The funds which were put to good use were more than sufficient.

【小题1】What should we do to protect the earth according to the text?
A.Call for discussions.B.Ignore the threats.
C.Get everything ready.D.Start from ourselves.
【小题2】What will Nurture Nature bring to the participants?
A.A thrilling experience.B.A beautiful dream.
C.A chance to know themselves.D.A sense of belonging.
【小题3】What does paragraph 4 mainly talk about?
A.The functions of Nurture Nature.B.The expectations of Nurture Nature.
C.The reasons why Nurture Nature was set up.D.The efforts the staff in Nurture Nature made.
【小题4】What can we know about Nurture Nature from the last paragraph?
A.It has finished its goal.B.It has drawn much attention.
C.It is organizing tasks to raise money.D.It is accepted by all the people in the world.

On March 31, 2007, the World Wildlife Fund(WWF)urged the citizens and businesses in Sydney to switch off all lights for one hour. 【小题1】 This small action helped save 10% of the electricity—the equivalent(等同)of the carbon dioxide emitted by 48,000 cars—consumed by the city’s residents in a regular evening hour.

As news of the impact spread, more people became inspired to join the Earth Hour movement. In 2008, over 50 million people in over 5,000 cities worldwide observed the event. 【小题2】 Today Earth Hour, held annually on the last Saturday of March, is the biggest voluntary environmental movement globally and is celebrated in over 180 countries.

Besides making an immediate difference, the WWF says the worldwide participation demonstrates people’s desire to do their share to reverse climate change. In the past decade, the Earth Hour movement has inspired several global initiatives to protect the environment. 【小题3】

【小题4】 According to the WWF, simple actions such as turning off unnecessary lights or choosing wood pencils over plastic ones can go a long way to help reverse climate change.

Not sure what to do without your gadgets and television for a whole hour? 【小题5】 “If that is not exciting enough, then how about a late-night hike or bike ride? Remember, climate change can be reversed if we all help—so, be sure to do your part!

A.The numbers have grown since then.
B.A journey of a thousand miles begins with a single step.
C.Earth Hour is the brainchild of the World Wildlife Fund.
D.More than 2 million households responded to the request.
E.This includes the establishment of a 2.7 million square meters Earth Hour forest in Uganda.
F.The WWF suggests organizing a candlelight dinner for your family or a picnic under the stars.
G.While the big changes certainly help, minor lifestyle changes can make a big difference as well.

The streets of Cotonou, Benin’s largest city, have been Domingo Soule’s workplace for 35 years. The 50-year-old motorcycle taxi driver spends his days driving for miles on roads blanketed in exhaust fumes (尾气), picking up customers and taking them to where they want to go. But Soule has developed a cough from breathing in air pollution, he believes, and at the end of each day his eyes hurt.

Things maybe about to change, however. In recent months, he’s seen more and more electric motorbikes on the streets of Cotonou. The Indian manufacturer (制造商) M Auto introduced its electric bikes in Benin in July 2022 and there are already 2,000 on the roads; an additional 2,000 people have paid deposits (定金) and are waiting for delivery.

Shegun Bakari, M Auto’s chief executive, has ambitions to get all moto-taxi drivers in Benin to switch to electric. This month he plans to launch a campaign to encourage them to swap (交换) their old bikes for new electric models.

The only sticking point is the battery. M Auto’s business model relies on “swap stations” throughout the city. When the battery runs out after about 60 miles, drivers must visit a station and pay to exchange the empty battery for a full one. Concerns about the battery are also preventing Soule form buying an electric bike. It could cost him 4,000 CFA £(5.40) a day to replace batteries, Soule says, whereas at the moment he can buy five litres of petrol (enough for one day) for 3,000CFA.

Bakari understands his concerns. In Beni, close to 40% of the population live under the poverty line, earning less than US$2 a day. “If I’m living with $2 a day, I can’t afford to pay more just because I want to save the planet,” he says.

He and his team are working to persuade governments in Africa to reduce taxes on electric vehicles, as well as putting plans in place to produce the electric bikes in Benin. They are also in talks with the government to build a solar plant to provide the extra energy that will be needed.

【小题1】What does the author want to show by telling Soule’s story?
A.Air pollution becomes a health issue.
B.Road conditions badly need improving.
C.Taxi drivers find it hard to make a living.
D.Motorbikes area major means of transport.
【小题2】What is the solution to the problem caused by motorbikes?
A.Riding old bikes.B.Building more roads.
C.Banning them on road.D.Moving to electric bikes.
【小题3】What is the major concern of a potential electric bike user?
A.Short battery life.B.Battery safety.
C.Insufficient charging points.D.High battery replacement cost.
【小题4】What are Bakari and his team making efforts to do?
A.Create more job opportunities.B.Make electric bikes affordable.
C.Cutback on fuel supplies.D.Improve taxi drivers’ welfare.

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