We live in a society that is producing and using electronics(电子产品) all the time. What happy to your computers, MP3 players and cell phones when they’re broken or you want a new one?

Most people just throw them away. In 2016, people around the world produced 41.8 million tons of electronic waste (e-waste,电子垃圾) and only recycled 6.5 million tons, according to the United Nations last month. The US was the biggest waster, producing 7.1 million tons. China ranked second, with 6 million tons.

(A)It’s important to pay attention to e-waste. It can either be valuable or harmful, depending on how we treat it.

To help reduce e-waste, the first thing we can do is to buy longer lasting electronic equipment. If you have unwanted electronic such as aging toys or cell phones, find a new home for them by giving them to charities. (B)You can also take computers and phones to see if companies offer recycling programs. Apple, for example, now offers people a discount(折扣) in China if they hand in their used devices when buying new ones. The company will test and repair the used ones and sell (C)them at lower prices.

1.根据短文内容回答问题。

Which country produced most e-waste in 2016?

______________________________________________________

2.将(A)处画线句子翻译成汉语。

______________________________________________________

3.将(B)处画线句子进行同义句转换。(每空一词)

You can also take computers and phones to the producers to see if they offer recycling programs.

Computers and phones can_________ ________o the producers to see if they offer recycling programs.

4.写出(C)出画线单词“them”指代 _____________。(请用英文回答)

5.针对如何减少电子垃圾,请你用英语再给出一条建议。

______________________________________________________

Bob Christiansen, who studied the volcanic history of Yellowstone National Park in the 1960s, became puzzled about something that, oddly, had not troubled anyone before: he couldn’t find the park’s volcano. It had been known for a long time that Yellowstone was volcanic in nature—that’s the reason for all its hot springs and other steamy features. But Christiansen couldn’t find the Yellowstone volcano anywhere.

Most of us, when we talk about volcanoes, think of the classic cone (圆锥体) shapes of a Fuji or Kilimanjaro,which are created when erupting magma(岩浆) piles up. These can form remarkably quickly. In 1943, a Mexican farmer was surprised to see smoke rising from a small part of his land. In one week he was the confused owner of a cone five hundred feet high. Within two years it had topped out at almost fourteen hundred feet and was more than half a mile across. Altogether there are some ten thousand of these volcanoes on Earth, all but a few hundred of them extinct. There is, however, a second less known type of volcano that doesn’t involve mountain building. These are volcanoes so explosive that they burst open in a single big crack, leaving behind a vast hole, the caldera(火山喷口). Yellowstone obviously was of this second type, but Christiansen couldn’t find the caldera anywhere.

Just at this time NASA decided to test some new high-altitude cameras by taking photographs of Yellowstone. A thoughtful official passed on some of the copies to the park authorities and said that they might make a nice blow-up for one of the visitors’centers. As soon as Christiansen saw the photos, he realized why he had failed to spot the caldera: almost the whole park-2.2 million acres—was caldera. The explosion had left a hole more than forty miles across—much too huge to be seen from anywhere at ground level. At some time in the past Yellowstone must have blown up with a violence far beyond the scale of anything known to humans.

1.What puzzled Christiansen when he was studying Yellowstone?

2.Is Fuji or Kilimanjaro created when erupting magma piles up?

3.What does the second paragraph mainly talk about?

4.When did Christiansen realize why he had failed to spot the caldera?

5.What was the caldera of Yellowstone?

What to come to Beijing in 2022?

Beijing is the hosting city for the Olympic Games in 2022.

Choose homestay for your accommodation(住宿)!

Beijing does not have enough hotels available to accommodate all people that will visit the city for the 2022 Olympics.

Homestay Beijing 2022 now has almost 450 different homestay accommodation available. We have made arrangements with people who would like to share their living flats for a few days/weeks with visitors.

All hosts speak English!

Beijing has large number of expats from English-speaking countries, so it is possible that all hosts speak English.

Much cheaper than a hotel!

Hotel prices will become 10 times higher than usual.

More space than in a hotel!

A hotel room is just that a room. At Homestay Beijing 2022, you can choose what kind of accommodation you want.

More experience than in a hotel!

We think that staying with people who live here can add much more to your experience.

More information

Read our introduction on the about page. If you have any questions, please have a look at our Frequent Asked Questions page for answers!

Contact US

If you want to contact us for more information, you can find a contact form on the Frequent Asked Questions page.

If you are interested to stay at one of our flats, please visit the pages Rent Homestay.

1.According to the advertisement, one of the advantages of homestay is________.

A.being easier to visit places of interest

B.being comfortable with larger space

C.being able to make more Chinese friends

D.being closer to the Olympic stadiums

2.We can infer(推断) from the advertisement that________during the 2022 Olympics.

A.there will be more visitors to Beijing than hotels can take in

B.a present 400-dollar room may cost as much as 2000 dollars

C.most visitors will choose the flats of Homestay Beijing 2022

D.homestay will help visitors to learn to speak good English

3.The underlined word “expats” in Paragraph 4 refers to foreigners________.

A.staying in hotels B.living in Beijing

C.helping others D.watching games

4.If you want to learn more about homestay, you'd better________first.

A.visit "Rent Homestay'' B.contact hotels in Beijing

C.read "the about page" D.call Homestay Beijing 2022

5.The advertisement is made for________during the 2022 Olympics.

A.those who will work as Olympic volunteers

B.those who will provide accommodation for visitors

C.those who will come to Beijing from different parts of China

D.those who will come to Beijing from foreign countries

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