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题型:阅读理解-阅读单选 难度:0.65 引用次数:137 题号:22508474

Topher White spends so much time walking in the forest and thinking about how quickly we’re losing it. The engineer is determined to stop global deforestation. Founder of the San Francisco-based non-profit Rainforest Connection, White has developed a small but clever strategy: using old cell phones to listen for the sound of destruction.

Forests are disappearing worldwide, and fast:an area about half the size of England is lost each year. The Amazon has lost close to one-fifth of its rainforest cover in the last four decades. Forest loss not only harms wildlife, including many species that live nowhere else, but it’s also a big contributor to the greenhouse gas emission(排放)that cause climate change.

”I didn’t know any of this when I started,“ says White, who began his journey in 2011, when he traveled to Indonesian Borneo to help decreasing gibbons(长臂猿).

Between 50 and 90 percent of the logging that happens in the world’s rainforests is illegal, according to White, yet detecting chainsaws(电锯)and other sounds related to that activity can be tough, because the air is already filled with the loud unpleasant mixture of sounds from nature. So he has developed a system in which he installs a cell phone that stays charged by solar cells, attaches an extra microphone, and listens. From there, the device can detect the sounds of chainsaws nearly a mile away.

Because it’s unfeasible to have people listening to the devices all the time, he added some “old-school data analysis”, so that the cell phone’s computers can distinguish a chainsaw’s sound from others in the forest. This way, his device can automatically detect logging activity and send a text alert to authorities who can determine if it’s illegal and then stop it.

White notes that he’s not alone in the fight: Many people and organizations are working tirelessly to stop forests from disappearing. For instance, local groups are particularly active in forest conservation efforts, White says.

So far, his monitoring devices have been used in Cameroon, Ecuador, Peru, and Brazil and will soon be used in Bolivia. It’s not just about listening for logging. The same technology that can pick out the buzz of a chainsaw can pick out the sounds of specific birds, which is why Whtie sees the forest recordings as a potential science tool. He’s urging biologists and ecologists to use his monitoring system anywhere, whether it’s a remote forest or a park in London. “The more we learn about these places,” he says, “the easier it’ll be to protect them.”

1. The second paragraph is mainly about         .
A.the measures to prevent forest loss
B.the causes and effects of forest loss
C.the areas that suffer great forest loss
D.the urgency about reducing forest loss
2. What does the underlined word “unfeasible” in Paragraph 5 most probably mean?
A.Impractical.B.Unnecessary.C.Possible.D.Significant.
3. In Topher White’s opinion, we should protect nature based on         .
A.our advanced technologyB.our strong teamwork spirit
C.our good understanding of itD.our environmental awareness
4. What would be the best title for the passage?
A.Efforts should be taken to preserve nature
B.Your old cell phone can help save the rainforest
C.Old cell phones can be used for helping gibbons
D.A creative way is being used to protect specific birds
【知识点】 环境保护 新闻报道

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【推荐1】During the 2020 Olympics in Tokyo, there was a lot of talk about the environmental efforts taken. Athletes slept on beds made from recycled cardboard. The medals were produced out of old appliances such as smartphones and laptops. Over 90% of Japanese cities, towns and villages participated in the two-year effort to collect recycled materials to produce 5000 medals. Eighty tons of small electrical devices were collected to make this project successful.

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