题目内容

【题目】 She shows a very positive _____ to her work.

A. attitude B. opinion C. idea D. thought

【答案】A

【解析】句意她工作态度非常积极。one's attitude to/to-wards…某人对待的态度;opinion意见看法主张.

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【题目】

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1According to the brochure, “a freelancer” (paragraph 3) refers to someone who ______.

A.finds customers mainly onlineB.gets promoted at work easily

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2If you are interested in this course but have not enrolled yet, you may ______.

A.make your decision after a half-month tryB.have free access to the course material

C.need to show your CPD CertificateD.help tutors mark some homework

3It can be concluded from the brochure that ______.

A.the course is more beneficial to experts than to green hands

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C.there is a good market for proofreading and copy editing

D.high-level proofreaders and copy editors are rare to find

【题目】 Imagine how you’d feel if you had to get more than 9,000 tons of junk out to the sidewalk. That’s how much trash is floating around in space. In fact, there’s about 4 million pounds flying over our heads in low-Earth orbit. Daan, a Dutch artist, and his team at Space Waste Lab have come up with a creative plan that could clear up space junk in a spectacular fashion.

Most space waste comes from dead satellites and rockets. Functioning satellites are the backbone of the information systems that keep our world running smoothly. But all the satellites eventually become obsolete within just a few decades. When they die out, there’s the problem of them drifting in outer space, collecting in what scientists call the “graveyard orbit.”

Maybe you’re thinking, “Why should I care about garbage 12,500 miles above me?” Well, all that fun stuff that satellites help beam down to us—mobile games, Instagram, cat videos—could be shut down by space waste. Lots of old junk floating around up there, plus new satellites added each year, means more and more high-speed collisions (碰撞). And when chunks of junk crash into one another, they break apart into millions of pieces, quickly building up speed and turning into fast-moving objects, which are dangerous to operational satellites as well as astronauts working on the International Space Station.

Space waste is a problem that’s escalated so much, some scientists say that by 2050 we’ll be forced to stop launching new spacecraft altogether, including new satellites. Think about that for a minute. When the last satellites finally become disused, GPS, cell phones, and the Internet will no longer function.

So we have to find a way to deal with this space garbage, and Daan pictures a sort of trash pickup, which involves groups of small spacecraft casting large nets into orbit that would collect space debris (碎片) and send it back toward Earth at top speed. Here’s the best part—while reentering Earth’s atmosphere, the pieces of junk would burn up all at once, creating a light show similar to hundreds of shooting stars falling in the night sky. A spectacle indeed!

To get ready for such an amazing effort, Space Waste Lab has been traveling to major cities across Europe and enlightening the public on the problem of the junk in space. But Daan doesn’t just talk about ways to relieve the problem—he’s created something a little grander than that. In October 2018, his team launched Space Waste Lab Performance, an outdoor art exhibition that shows the location of each piece of space trash using large lasers that make each debris look a bit like a star wandering slowly and silently over the sky, allowing viewers to wave and say, “Hallo, space trash!”

1The word “obsolete” (paragraph 2) is closest in meaning to “______”.

A.accessibleB.profitable

C.floatingD.outdated

2According to the passage, which sentence best replaces the question mark in the diagram?

A.Working satellites can be damaged and astronauts can be hurt.

B.Satellites can help people track the weather and find new locations.

C.There is more junk floating in space each year as new satellites are added.

D.The Space Waste Lab Performance can show people where satellites are located.

3Which of the following best supports the idea that space waste should be dealt with very soon

A.Sentences B.Sentence

C.Sentence D.Sentence

4Which of the following might be the best title of the passage?

A.Space Junk Harms Digital Systems

B.Artists’ Proposal to Save Space

C.A New Glimpse into Outer Space

D.Test of Waste Collection Nets

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