The world's highest highway tunnel（公路隧道），Mila Mountain Tunnel，was open to traffic on April 26，2019，at an altitude（海拔） of over 4，750 meters above sea level in Southwest China's Tibet.
The two﹣way tunnel is over 5.7 km long，which is a part of the 400﹣km highway connecting Lhasa with Nyingchi.People started building the tunnel on the5，018﹣meter﹣high Mila Mountain in 2015.And it was finished in 2019，helping shorten the 18﹣km distance（距离）over the mountain to 5.7 km.
It wasn't easy to build the highest tunnel in China.Terribly cold weather and too little oxygen（氧气）were two main difficulties.Besides，carrying everything to the building site（工地）was a great challenge for over 2，000 workers.
However，everyone at the site worked hard to finish building the tunnel on time and more than 10 latest techniques were developed while the workers were doing this great project. "We've worked here for several years and lived in simple houses， "said Xu Yong，the leader of the project. "Everything was so difficult，but we never fee sorry for ourselves here.It is a great project. "
The highway is an important way to the eastern part of Tibet.It can help to make more people visit Tibet and bring traffic convenience to local people.
（1）How long did it take to finish building the two﹣way tunnel？
A.About three years.
B.About four years.
C.About five years.
D.About six years.
（2）What CANNOT we know from the second paragraph？
A.How long the tunnel is.
B.Where the tunnel is built.
C.How high the Mila Mountain is.
D.What materials were used to build the tunnel.
（3）What does the third paragraph mainly tell us？
A.Why people wanted to build the tunnel.
B.How many workers worked in the construction（建设）of the tunnel.
C.What problems the workers faced when building the tunnel.
D.How the workers solved the problems of building the tunnel.
（4）What can we infer from Xu Yong's words？
A.It's worth putting much time and work into building the tunnel.
B.It took them many years to get used to living there.
C.They earned a lot of money by building the tunnel.
D.Their living and working conditions were not very bad.
（5）What's the writer's purpose in writing the passage？
A.To show the development of Tibet.
B.To encourage more people to travel to Tibet.
C.To introduce the altitude of the highway tunnel.
D.To tell something about the world's highest highway tunnel.
On the early morning of December 17，the Chang'e﹣5 lunar probe （月球探测器） landed safely on the grasslands in Inner Mongolia，meaning the Chang'e﹣5 mission （任务） ended successfully.
Chang'e﹣5 was launched from the Wenchang Space Launch Center in Hainan Province on November 24，2020.On December 1，the probe got to the moon.During the stay on the moon，it collected 1，731 grams of rock and soil samples （样品）.On December 3，our national flag was shown on the moon.After that，the probe was ready to go home.
China is no stranger to lunar exploration （探月） programs.Over the years，it has sent a number of increasingly challenging missions to the moon.One of the most famous missions was the historic landing of Chang'e﹣4 spacecraft on the moon's far side in 2019.As Chang'e﹣5 reached a new area of the moon，this launch successfully pushed the limits （极限） even further.It's no doubt a great step forward for the space industry.
This is a truly historic event for China's space program，making China the third nation in the world to bring samples back from the moon.The success has also made Chang'e﹣5 the first spacecraft to bring back samples from the moon since 1976 when a Russian spaceship brought back 170.1 grams of samples to the earth.This was no easy task，but China has made it.
（1）How long did the whole Chang'e﹣5 mission last？
A.About half a month.
B.Around 10 days.
C.Over a month.
D.More than 20 days.
（2）The underlined word "launched" in paragraph 2 means in Chinese.
A.回收
B.发射
C.发明
D.销毁
（3）Paragraph 3 mainly talks about .
A.the importance of space exploration
B.the difficulty in lunar exploration
C.the future of China's space program
D.the progress in China's moon missions
（4）In which part of a newspaper can we find the passage？
A.CULTURE.
B.TRAVEL.
C.SCIENCE.
D.SPORT.
Nature and culture are often seen as opposite ideas.What belongs to nature cannot be the result of human activities and.on the other hand，cultural development is achieved against nature.However，this is not the only opinion on the relationship between nature and culture.Studies in the development of humans suggest that culture，whether taken as an effort against nature or a natural effort，is part of the development of the human species（物种）.
Several modern writers saw the process of education as a struggle（斗争） against human nature.We are born with wild natures，such as eating and behaving in a disorganized way or acting selfishly.Education uses culture as a way to get us out of our widest natures；it is thanks to culture that the human species could learn to adapt（适应） ，progress and raise itself above and beyond other species.
Over the past century and a half，however，studies in the history of human development have shown that the formation of culture is part of the biological adaptation.Consider，for example，hunting（打猎） .It seems to be an adaptation，which allowed humans to move into new and different areas，opening up the opportunity to change living habits.At the same time，the development of weapons（武器） is related to that adaptation—from rocks and stones to a set of hunting tools，and from hunting tools to rules relating to the proper use of weapons.Hunting also seems to be responsible for a whole set of bodily abilities，such as balancing on one foot.Just think of how this very simple thing is closely related to dance，a key expression of human culture.It is then clear that biological development and cultural development are closely tied.
The transmission of culture seems to be directly related to what's in our blood.Just as snails carry their shell，so do we bring along our culture.However，culture is also passed on among people of the same times or among people belonging to different populations.We can learn how to make jiaozi even if we were born from Russian parents in Paris just as we can learn how to speak English even if none of our family or friends speaks that language.
（1）What is Paragraph 2 mainly about？
A.Culture belongs to human nature.
B.Nature teaches humans how to adapt.
C.Humans are supposed to be well organized.
D.Education pushes the human species to progress.
（2）Why does the writer talk about hunting in Paragraph 3？
A.To suggest some possible ways of changing living habits.
B.To stress the importance of tools in humans' struggle for life.
C.To show how culture develops as humans adapt to the environment.
D.To explain why there is a need to call for the proper use of weapons.
（3）The word "transmission" in Paragraph 4 probably means " ".
A.system
B.spread
C.start
D.spirit
（4）What is the writer's opinion on the nature﹣culture relationship？
A.Culture and nature are separate yet balanced.
B.Culture depends much on nature to progress.
C.Nature and culture are different but connected.
D.Nature follows the unwritten rules set by culture.
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