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In 2018, more than 8,000 wildfires tore through California. They burned an area larger than the state of Delaware. In 2017, wildfires across the United States burned about four times more land than they did 30 years earlier. 1.

Climate change plays a big part in the wildfire increase. The Earth is getting warmer. The average global temperature is about 0.74℃ higher now than 100 years ago. Fires need three things to grow: fuel, heat, and oxygen.2. Hot weather dries out plants and trees. Those materials can go up in flames in an instant.

Climate change contributes to wildfires in other ways too. Fires tend to happen in the warm months. 3. In California, climate change seems to have increased the force of strong winds that spread fires. Higher temperatures have also attracted invasive species that give forest fires a helping hand.

We’re also seeing more damage because more people are building homes in places where wildfires are likely.4. That number is expected to go up by about 18 mimon by 2030. When people live near wildfires, firefighters may have more trouble fighting and preventing them. Firefighters need different strategies to protect houses and other buildings than to stop fires from spreading through woods.

The present wildfire crisis has many different causes. 5. If we learn to depend less on fossil fuels like oil and gas, we might be able to slow climate change. We might keep people out of harm’s way if we change the rules for building houses in fire-risky areas. What other ways can you think of to reduce fire danger?

A.Rising temperatures create more fuel for fires.

B.So climate change makes the fire season longer.

C.What’s making so many places go up in smoke?

D.So we may need to try many different things to resolve it.

E.Fires also do much more terrible damage when people are nearby.

F.Did you know a terrible fire known as the Big Burn killed 87 people?

G.Right now, about 45 million homes are located in the most fire-risky areas.

高一英语七选五中等难度题

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