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题型:阅读理解-阅读单选 难度:0.65 引用次数:72 题号:12671539

Electric vehicles are close to the "turning point" of rapid mass adoption thanks to the decreasing cost of batteries, experts say.

Global sales of electric vehicles rose 43% in 2020, but even faster growth is expected when continuing falls in battery prices result in the price of electric cars under the same petrol and diesel (柴油) models, which may happen between 2023 and 2025. According to a study by Prof. Tim Lonton, at the University of Exeter, the turning point has already been passed in Norway, where tax breaks (税收减免) mean electric cars are cheaper and the market share of battery-powered cars increased to 54% in 2020 in Norway, compared with less than 5% in most European nations.

The falls in battery prices in the last decade have been dramatic and faster than predicted thanks to a massive production and cuts in costs, such as reducing the amount of expensive cobalt (钴) required. BloombergNEF's analysis predicts lithium-ion (锂离子) battery costs will fall so sharply that electric cars can match the price of petrol and diesel cars by 2023. McKin-sey's Global Energy Perspective 2021, published on 15 January, forecasts that "electric vehicles are likely to become the most economic choice in the next five years worldwide".

Electric cars, vital in efforts to fight climate crisis, are quieter and start to go faster, so people do not want to return to a petrol or diesel vehicle once they have one. A survey of 2,000 electric car owners found 91% said they did not want to go back.

"The survey shows the strong and lasting impact of switching to a clean car. The evidence in favour of electric vehicles grows more convincing even in a year as destructive as 2020," said Melanie Shufflebotham, at Zap-Map, which maps charging points.

1. What leads to the growing sales of electric vehicles?
A.The rise in petrol prices.B.The desire for a lower tax.
C.The drop in battery costs.D.The need for a cleaner life.
2. What can we infer from paragraph 2?
A.Policies in Norway support electric vehicles
B.Economy in Norway outgrows other nations
C.The market share of electric vehicles will decline.
D.The tax breaks in Europe will continue to increase.
3. How will electric vehicles equal fuel vehicles in price?
A.By increasing the demand for cobalt.
B.By boosting the sales of electric cars.
C.By reducing the production of batteries.
D.By cutting the costs of lithium-ion batteries.
4. What is the attitude of people surveyed towards electric cars?
A.Tolerant.B.Positive.C.Unwilling.D.Opposed.

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阅读理解-阅读单选(约360词) | 适中 (0.65)
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【推荐1】I had been living with Dino and his family for ten days or so, who lived and worked in the rainforest. They were the “bad guys”, burning much of the western Amazon to tun it into cattle farms. They were also some of the nicest and warmest hosts. They are a family trying to survive in a very tough environment through hard work. Their view and understanding of the problems the Amazon faces are different from mine. I see the Amazon as an extraordinary valuable life that should be treasured and protected at all costs-the world needs it, and we all need it. However, the Dinos see the Amazon as a vast, lasting resource that feeds them. After talking extent win them, I realized their respect for it was as deep as my own: they just saw it very differently.

Cattle farming in the Amazon is perhaps mainly responsible for the fires we are seeing now. It is an industry of cutting forest, burning it and turning it to cattle farms. Fires spread throughout the Amazon every year as a result of that practice. Putting cattle on the land means replacing trees with animals that produce damaging levels of greenhouse gases. This is just about the most stupid thing humans can do.

One morning after a fire, I returned to the land. I felt as though I had seen the blue smoke from those blackened tree trunks that remained upright, which are memorials to human stupidity.

The problems the Amazon faces are perhaps more complex now than ever before, but they are curable. We need to decide where and how we appoint and apply values based on sensible economic models that favor both the farmer and the forest. One of the issues facing the Brazilian Amazon now is a loosening of rules by the current administration which has opened up more land for deforestation(毁林) and burning. This could be disastrous, both for the Amazon and the rest of the world.

1. What does Paragraph 2 mainly talk about?
A.The consequences of cattle farming.B.The main cause of forest fires.
C.The causes of greenhouse gases.D.The importance of cattle farming.
2. How did the author feel when returning to the land after a fire?
A.It helped the author recall his memory about the land.
B.It reminded us of our foolishness of destroying the land.
C.It's not surprising to see the land destroyed by the fire.
D.It's amazing to see the trees keep straight after the fire.
3. Which of the following statements is true?
A.The writer and Dino respected the Amazon equally in different ways.
B.Cattle farming is not to blame for the fires happening in the Amazon.
C.The problems the Amazon faces are more complex and can't be solved.
D.The Dinos are considered to be bad for burning the forest to make a fortune.
4. What should the Brazilian government do to solve the Amazon problems?
A.Prevent the deeds of burning.B.Offer more land.
C.Take stricter measures.D.Appoint economic models.
2020-05-25更新 | 120次组卷
阅读理解-阅读单选(约330词) | 适中 (0.65)
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文章大意:本文是一篇说明文。这篇文章主要讲述了珊瑚礁在保护沿海社区免受飓风影响方面的重要性,以及科学家如何修复珊瑚礁。

【推荐2】Coral reefs (珊瑚礁) as underwater walls can help reduce the effects of hurricanes on coastal communities. This seems unbelievable. It is reported that scientists have discovered that coral reefs are even more effective than man-made sea walls under the water. However, coral reefs are especially easy to be influenced by climate change. Overfishing and pollution have also proved very dangerous to them. Since 1950, half of the world’s coral reefs have already been lost. To protect our communities and keep sea ecosystems alive, we need to protect coral reefs right away.

Let’s take a closer look at how coral reefs protect us from floods, and how scientists are 1restoring (修复) reefs.

The roles that coral reefs play as underwater walls have long been recorded by scientists. During a Category 3 hurricane in 2015 in Australia, the coral reefs effectively protected the eastern shoreline from flooding. In contrast, the western coasts without coral reefs suffered serious damage. The researchers observed that the shape of coral reefs can break the approaching waves. More recently, researchers at the University of Miami have reached the same conclusion. They used a special lab simulator (模拟装置) to recreate ocean conditions during a Category 5 hurricane. They found that coral reefs could reduce the impact of waves by up to 95 percent!

Because of higher ocean acidity (酸性) and temperature, coral reefs are disappearing and dying out. At the same time, climate change puts weakened coral reefs under more stress. The University of Miami researchers are testing to plant new coral reefs while others are actively looking for effective methods to reduce the acidity of sea water. The governments have also paid more attention to these actions and provided enough money for reef restoration. With these efforts, we may address climate threats to coral reefs and they can carry on protecting our communities.

1. What can we know about coral reefs?
A.They can reduce hurricanes.B.They are faced with danger now.
C.They can’t effectively prevent floods.D.They aren’t influenced by overfishing.
2. Which of the following is true according to paragraph 3?
A.A terrible hurricane attacked Australia in 2015.
B.Scientists paid little attention to coral reefs before.
C.Coral reefs could reduce the impact of waves to 95%.
D.The eastern coasts of Australia were damaged seriously.
3. What’s the author’s attitude towards the future of coral reefs?
A.Doubtful.B.Confused.C.Positive.D.Objective.
4. What’s the purpose of this passage?
A.To introduce the growth of coral reefs.
B.To explain the functions of coral reefs.
C.To encourage people to plant more coral reefs.
D.To stress the importance of protecting coral reefs.
2024-03-24更新 | 89次组卷
阅读理解-阅读单选(约280词) | 适中 (0.65)
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【推荐3】Most of us are aware that we must take care of the environment, and the majority of us take steps to save energy and reduce waste and pollution. But recently some “green truths” have been shown to be only half true, or even completely false. Here are some common ones. Which are really green?

? It’s better to take a shower than a bath.

It depends on how long you spend in the shower and how large your bath is. If you spend more than eight minutes in a shower, you’ll use as much water as in a bath----about 50 litres of water. Therefore, the key is to keep your shower time as short as possible.

? Eating local food is good for the environment.

It seems like common sense: eating local food should be better for the environment, because it does not need to be transported long distances and kept cold during transport. Unfortunately, it is not that simple. In some cases, local produce might have used more energy and produced more greenhouse gases than produce grown a long way away.

?_____________________________

When we tun off a device, such as television, it goes into stand-by mode. Devices in this mode still use power, and older devices in stand-by mode can use even more. This happens because electricity continues to leak from the device, even when it is turned “off”. To make sure your appliances are in fact off, remove the plug from its power supply.

Environmental awareness is now part of daily life. But it’s worth checking common ideas and opinions to see what’s really green.

1. What food is more environmentally friendly?
A.It all depends.B.None of them.
C.Local produce.D.Non-native food.
2. Which of the following best suits the blank?
A.When you turn off a device, it still uses power.
B.When you tun off a device, it stops using power.
C.Unplugging a device is better than turning off a device.
D.Going into stand-by mode is better than turning off a device.
3. Why does the author write this passage?
A.To tell the truth about some “green truths”.
B.To call on people to protect the environment.
C.To explain the significance of energy-saving.
D.To present some practical ways to reduce waste.
2022-05-11更新 | 149次组卷
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