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In the old days, when you had to drive to a movie theater to get some entertainment, it was easy to see how your actions could have an impact(影响)on the environment. After all, you were jumping into your car, driving across town, coughing out emissions(产生排放)and using gas all the way. But now that we're used to staying at home and streaming movies, we might get a little proud. After all, we're just picking up our phones and maybe turning on the TV. You're welcome. Mother Nature.

Not so fast, says a recent report from the French-based Shift Project. According to "Climate Crisis: The Unsustainable Use of Online Video", digital technologies are responsible for 4% of greenhouse gas emissions, and that energy use is increasing by 9% a year. Watching a half-hour show would cause 1. 6 kilograms of carbon dioxide emissions. That's like driving 6. 28 kilometers. And in the European Union, the Eureca project found that data centers (where videos are stored) there used 25% more energy in 2017 compared to just three years earlier, reports the BBC.

Streaming is only expected to increase as we become more enamored of our digital devices (设备)and the possibility of enjoying entertainment where and when we want it increases. Online video use is expected to increase by four times from 2017 to 2022 and account for 80% of all Internet traffic by 2022. By then, about 60% of the world's population will be online.

You're probably not going to give up your streaming services, but there're things you can do to help lessen the impact of your online use, experts say. For example, according to Lutz Stobbe, a researcher from the Fraunhofer Institute in Berlin, we have no need to upload 25 pictures of the same thing to the cloud because it consumes energy every time. If instead you delete a few things here and there, you can save energy. Moreover, it's also a good idea to stream over Wi-Fi, watch on the smallest screen you can, and turn off your Wi-Fi in your home if you're not using your devices.

1.What topic is the first paragraph intended to lead in?

A.The environmental effects of driving private cars.

B.The improvements on environmental awareness.

C.The change in the way people seek entertainment.

D.The environmental impacts of screaming services.

2.What does the underlined phrase become more enamored of" in paragraph 3 probably mean?

A.Get more skeptical of. B.Become more aware of.

C.Feel much crazier about. D.Get more worried about.

3.What can we infer about the use of streaming services?

A.It is being reduced to protect the planet.

B.Its environmental effects are worsening.

C.It is easily available to almost everyone.

D.Its side effects have drawn global attention.

4.Which of the following is the most environmentally-friendly?

A.Watching downloaded movies on a mobile phone.

B.Downloading music on a personal computer.

C.Uploading a lot of images of the same thing.

D.Playing online games over mobile networks.

高三英语阅读理解中等难度题

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