试题详情
阅读理解-阅读单选 适中0.65 引用1 组卷35

She is one of mankind’s oldest ancestors and is more than three million years old. New analysis of the arm bones of Lucy, an early hominid, suggests she was a tree climber. Lucy’s remains were uncovered in Ethiopia in the 1970s, with the 3.18 million-year-old skeleton(骨骼)being the most complete of any upright, walking human ancestor. Since she was discovered, researchers have debated whether she spent her life in the trees or spent time walking on the plains as well.

The new evidence from scans of her arm bones proves she spent time climbing and used her arms to pull herself up. The scans were compared with cross sections of humans and chimpanzees, which spend a mixture of time in trees and walking on all fours on the ground. They found that the arm bones were more heavily built, similar to those of chimps, while her lower limbs(下肢)would have meant she walked less efficiently than modern humans. Professor John Kappelman, at University of Texas, believes the advantage of his study was that it focused on characteristics that reflect actual behavior during life, suggesting that even when Lucy walked upright, she may have done so less efficiently than modern humans, limiting her ability to walk long distances on the ground.

Previous studies suggested that Lucy was just 4 feet tall and weighed just 65 pounds. Combining the new data paints a picture of an ancestor who may have spent a great amount of her time in trees. It also expands on evidence from earlier this year which claimed that Lucy may have died from a fall, most likely from a tree. The evidence suggests Lucy may have spent time on the ground, returning to the safety of the trees for food and to sleep, to avoid her enemies.

【小题1】What did the researchers argue about after Lucy was discovered?
A.Where she lived.B.How long she lived.
C.What she ate.D.How she worked.
【小题2】How could people tell Lucy spent time climbing?
A.By her walking style.B.By her heavily built arm bones.
C.By her strong lower limbs.D.By her large cross sections.
【小题3】When Lucy walked, she may________.
A.have walked with bigger stepsB.have walked at a faster speed
C.have walked more efficiently than usD.have walked a shorter distance than us
【小题4】What is the main idea of the last paragraph?
A.Guesses about Lucy’s characteristics.B.Some evidence of Lucy’s health.
C.The safety of Lucy.D.The ancestor of Lucy.
20-21高二下·湖北鄂州·期末
知识点:说明文考古发现 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!
类题推荐

It is becoming a growing trend that more and more consumers across the country are using cashless payment methods. The rapid development of third-party mobile payment tools is helping to boost cashless payments across the country, said Dong Ximiao, a researcher at the Renmin University of China.

Transactions (交易) involving third-party mobile payments rose by 46.8 percent in the first quarter of 2017 compared with the previous quarter to 18.8 trillion yuan, according to a report released in May.

Although there were 3.4 billion third-party payment accounts in total in China in 2016, China is not the first country to seek a cashless society. Developed states like Sweden, Denmark and Singapore are also witnessing that increase.

However, the rapid development of cashless payments does not mean there are no challenges and criticisms. Alibaba’s Hema store, where customers can shop, dine and order commodities for delivery from their mobile phones via Alipay, have come into the spotlight recently. Media reports said that consumers can’t purchase goods with cash there, which would be considered illegal.

Alipay and WeChat Pay, the nation’s two major third-party mobile payment tools, also launched campaigns this month to encourage more merchants and customers to use cashless payment methods, which caused concerns over whether cash will soon disappear.

“Some offline sellers refuse to accept cash, which impacts the natural circulation of yuan,” said Dong. He emphasized that a cashless society would not mean that cash would completely disappear. As the economy grows, the circulation of cash is still very huge, noted Dong. Also, it’s important to remember that nearly half of China’s population live in rural areas, especially in undeveloped western regions, unable to enjoy innovation (革新) brought by the Internet, Dong said. And when it comes to China’s senior citizens, most of them prefer to use cash in their daily lives, he added.

“It’s ridiculous to question digital payment tools’ contribution toward financial development. In the long term, various payment methods will be used by consumers, and merchants should respect consumers’ payment habits,” Dong noted.

【小题1】What does the underlined word “that” in paragraph 3 probably refer to?
A.Economic activity.B.Cashless payment.
C.Development of economy.D.Large amount of payment.
【小题2】Why has Alibaba’s Hema store become a focus?
A.It fights against illegal activities.
B.It provides comprehensive services.
C.Customers are not permitted to use cash there.
D.It starts campaigns to encourage mobile payment.
【小题3】Which of the following will Dong find reasonable?
A.Various payment methods ought to be respected.
B.People should be encouraged to use mobile payment.
C.Most elderly people have no access to mobile payment.
D.Mobile payment isn’t beneficial to a cost-effective society.
【小题4】What is the text mainly about?
A.China’s cashless trend.B.The research on mobile payment.
C.The reasons to use mobile payment.D.China’s cashless future.

Big Brothers Big Sisters is based on the simplicity and power of friendship. It is a program which provides friendship and fun by matching vulnerable young people(ages 7-17) with a volunteer adult who can be both a role model and a supportive friend.

  Volunteer tutors come from all walks of life—married, single, with or without children. Big Brothers and Big Sisters are not replacement parents or social workers. They are tutors: someone to trust, to have fun with, to talk and go to when needed.

A Big Sister and Little Sister will generally spend between one and four hours together three or four times each month for at least twelve months. They enjoy simple activities such as a picnic at a park, cooking, playing sport or going to a football match. These activities improve the friendship and help the young person develop positive self-respect, confidence and life direction.

Big Brothers Big Sisters organizations exist throughout the world. It is the largest and most well-known provider of tutor services internationally and has been operating for 25 years.

Emily and Sarah have been matched since 2008. Emily is a 10-year-old girl who has experienced some difficulties being accepted by her schoolmates at school. “ I was pretty sure there was something wrong with me.”

Emily’s mum came across Big Brothers Big Sisters and thought it would be of benefit to Emily by “providing different feedback (反馈) about herself other than just relying on schoolmates to measure her self-worth.

Sarah wanted to get involved in a volunteer program. “I googled it and found out how to be a part of it. I thought it would be fun for me to get involved in making time to do something because sometimes it is all work and no play.”

Big Brothers Big Sisters has been of great benefit and enjoyment to both Emily and Sarah. They love and look forward to their time together and the partnership has certainly helped Emily be more comfortable in being the wonderful, happy and unique girl she is!

【小题1】What is the aim of Big Brothers Big Sisters?
A.To offer students public services.
B.To help students improve their grades.
C.To organize sport activities for young people.
D.To provide partnership and fun for young people.
【小题2】A volunteer is usually expected to work within a year for at least______.
A.24 hoursB.36 hoursC.48 hoursD.72 hours
【小题3】According to Emily’s mother, this program may provide Emily with______.
A.advice from her teachers
B.a new way to assess herself
C.a new way to judge her schoolmates
D.more comments from her schoolmates
【小题4】Why did Sarah want to get involved in the program?
A.She used to be a volunteer.
B.She needed a part-time job.
C.She felt a bit bored with her life.
D.She wanted to get a challenging job.
【小题5】According to the passage, “vulnerable young people” are probably those who are _________.
A.popular at schoolB.rather weak physically
C.easily hurt emotionallyD.confident in themselves

As traditional Chinese art, paper cutting has a long history. The first and earliest paper cutting was found in China 1,500 years ago. But this traditional art is at risk of disappearing now. Luckily, Vivian Woo, a Chinese immigrant in America, is trying to bring this art back to life.

One Saturday in 2017, Ms.Woo held a paper cutting show at a shopping center near Washington. She got much fun and peace doing it. She hoped more people would enjoy it. Ms. Woo began to study the art of paper when she was a 14-year-old girl in her hometown in China. She said all the students at school had to learn paper cutting. But she had a deep love for it. So her teacher spent more time teaching her after class.Later, she won the second prize in a national painting and art competition. Ms.Woo went to America after she finished college in 2008.Soon after that, she took part in an activity to promote Chinese paper cutting. And then she was invited to show the art in many important activities. “It is important to promote this art to Americans or anyone who is interested in it. Maybe it will make this art more popular.” Woo said.

From the art of paper cutting, people can know about Chinese cultural values, history and stories of people. Ms.Woo uses the art as a tool to show Chinese culture to people who know little about it. Chinese art is not only for Chinese, but also for people all over the world.

【小题1】What did Ms. Woo do in 2017?
A.She won the second prize in a national painting and art competition.
B.She was invited to many activities to show paper cutting.
C.She held a paper cutting show at a shopping center near Washington.
D.She took part in an activity to promote Chinese paper cutting.
【小题2】When did Ms. Woo began to study the art of paper cutting?
A.When she was fourteen.B.After she got to America.
C.When she was in college.D.After she finished college.
【小题3】What does the writer think of the art of paper cutting?
A.It’s very popular in America.B.It’s very popular in China.
C.It’s for people who know about it.D.It’s in danger of disappearing.

组卷网是一个信息分享及获取的平台,不能确保所有知识产权权属清晰,如您发现相关试题侵犯您的合法权益,请联系组卷网