【題目】 We usually see ancient plants or insects in amber(琥珀). But recently, a group of researchers found something unusual in amber — a feathered tail!
The tail includes bones, soft tissue and even feathers. It is 37 mm long, which is about the length of a matchstick. It looks like a plant at first sight. But researchers later identified(確定) it as part of the tail of a dinosaur that couldn’t fly almost 100 million years ago.
Xing Lida of Beijing’s China University of Geosciences discovered the amber in a market in Myanmar in 2015. “It is an amazing fossil(化石) and the finest details of feathers can be seen in 3-D.” he said.
The researchers note in their paper that this finding is particularly special because, although dinosaur feathers have been found in amber before, we don’t know which dinosaurs they came from. But this time researchers know more.
The tail is likely to belong to a tiny dinosaur called coelurosaur. Famous coelurosaurs include the T-rex(霸王龍) and Velociraptor(迅猛龍) — the latter of which would finally evolve into birds.
So with the “once in a lifetime” finding, can we hope for the possibility of a real Jurassic Park (侏羅紀公園)? In the movie series, scientists bring dinosaurs back to life by getting their DNA from blood found in amber.
But Canadian scientist Ryan Mckellar said that although soft tissue and blood of the tail were found in the amber, no genetic material was kept. “The Jurassic Park answer is still a ‘no’ — this is in the science fiction.” he said.
【1】What do you know about the amber?
a. It is about 100 million years old. b. It was discovered in Myanmar.
c. It was discovered this year. d. It is a valuable fossil.
A.abB.bcC.acD.bd
【2】What does the underlined phrase “evolve into” in Paragraph 5 mean?
A.come intoB.break intoC.grow intoD.get into
【3】The movie Jurassic Park is mentioned to ________ .
A.talk about the use of DNA in this areaB.call on people to watch it
C.compare different dinosaursD.talk about science fiction
【答案】
【1】D
【2】C
【3】A
【解析】
這是一篇新聞報道類閱讀,主要介紹我們通常在琥珀中看到古老的植物或昆蟲。但是最近,一群研究者發(fā)現(xiàn)琥珀中有一種不尋常的東西——羽毛尾巴。它可能是一種小型恐龍的尾巴?苹秒娪袄锟茖W(xué)家通過從琥珀中發(fā)現(xiàn)的血液中獲取DNA,使恐龍復(fù)活。但是現(xiàn)實中科學(xué)家說,這是不可能的。
【1】細節(jié)理解題。根據(jù)“Xing Lida of Beijing’s China University of Geosciences discovered the amber in a market in Myanmar in 2015.”可知,琥珀是在緬甸發(fā)現(xiàn)的;根據(jù)“It is an amazing fossil(化石)”可知,它是一種有價值的化石。故選D。
【2】詞義猜測題。根據(jù)“But researchers later identified(確定) it as part of the tail of a dinosaur that couldn’t fly almost 100 million years ago.”可知,以前這些恐龍不會飛;根據(jù)“the latter of which would finally evolve into birds.”后來成為鳥,會飛,這表示進化了,成長為鳥。故選C。
【3】細節(jié)理解題。根據(jù)“In the movie series, scientists bring dinosaurs back to life by getting their DNA from blood found in amber.”句子談到:從琥珀中發(fā)現(xiàn)的血液中獲取DNA,使恐龍復(fù)活?芍,討論的應(yīng)該DNA方面的使用。故選A。
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Before paper was invented, people wrote or drew on materials such as bamboo, silk, animal hide, and wooden blocks. Writing materials were【1】 (real) expensive and few people learned to read. Therefore, few people wrote. This all changed, thanks 【2】 a man called Cai Lun.
Paper had already existed (存 在)in China, but the process for 【3】 (produce) it was difficult and the paper was of low quality. Cai Lun began experimenting with many different materials and【4】 (method) to turn those materials into paper. In the year 105, he made it 【5】tree bark, bamboo, cloth rags and fishing nets. His paper was 【6】 (strong) and cheaper than any paper that had been made before.
With Cai Lun's papermaking method, Chinese culture 【7】 (grow) more rapidly over the next several centuries. That's 【8】 ideas were much easier to share and more people learned to read. The use of paper spread abroad, helping other cultures record and spread their ideas. Today, Cai Lun is regarded 【9】 a national hero in China. But 【10】 whole world should remember the clever Chinese papermaker forever.
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【題目】 If you’re riding in the car on the way home from school or soccer practice, does the sight of fast food restaurant signs make you hungry for a cheeseburger, some French fries or a piece of pizza?
Think about some of the signs for the most popular fast food restaurants. What do the signs for McDonald's, Wendy's, Burger King, Dairy Queen and Pizza Hut have in common? They all make prominent (突出的) use of two colors: red and yellow.
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Other scientists,however,disagree with the ketchup and mustard theory and point out that there isn't enough scientific data (數(shù)據(jù)) to support the theory. They think that feelings of happiness and excitement connected with the colors red and yellow aren't necessarily equal to hunger.
While the science of colors and their exact influence on us may be uncertain, it’s clear that fast food restaurants believe that in some way, it is good for them to include red and yellow on their signs. Do these colors make us hungry? Maybe ... or perhaps it’s our own happy memories of delicious cheeseburgers, salty French fries and ice- cold sodas that keep us coming back for more!
【1】Why does the writer ask the question in Paragraph 1?
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【2】What common point do most fast food restaurants share?
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【3】According to Paragraph 4, some scientists believe that ________.
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A survey | |
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【題目】閱讀下面的短文,按要求完成后面各題。
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