Unit 3 能力提升同步练习-(2019)新外研版高中英语选择性必修第二册 高二上学期.docx
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1、Unit 3 能力提升本试卷满分120分,考试时间100分钟。第一部分 阅读(共两节,满分50分)第一节 (共15小题;每小题2.5分,满分37.5分)阅读下列短文,从每题所给的A,B,C,D四个选项中选出最佳选项。AEach year, the Consumer Electronics Show, or CES, presents new technology developments across many industries. The event is going on this week in Las Vegas, Nevada. It is a chance for compani
2、es to launch their latest products aimed at making life easier, more productive and fun. Here is a list of some of the most interesting products introduced at CES 2020.Smart waste canA company called TOWNEW presented a waste can designed for the home that does a lot of the dirty work on its own. Whe
3、n the can is full, the user touches a button to activate the machines smart abilities. The device then completely seals the waste bag inside and puts a new one in place, all by itself. The can then raises its top so the user can pick up and throw away the bag.Snore stopping pillowPeople who snore(打鼾
4、)when they sleep might be helped by the Motion Pillow. This smart pillow is designed to collect information about the sleepers head position and breathing during the night. The system then uses this data to change the shape of the pillow, with the help of built-in air bags. The idea is that by chang
5、ing the pillow, the sleepers head will move just enough to improve airflow through the nose and reduce snoring.Wearable air purifierA company called Ad Air introduced a wearable air purifier. The device is designed to be a high-tech face covering to block pollution. The purifier pulls air through a
6、filtration(过滤)system and then uses fans to create a small area of clean air in the front of the device. The company says the design permits the air to be purifiedwithout the need for a solid seal.1. What can smart waste can do by itself?A. Press a button.B. Put a new bag inside.C. Sort rubbish.D. Th
7、row away rubbish.2. From the passage, we can learn that Motion Pillow stops snoring by _.A. gathering informationB. helping the sleeper breathe smoothlyC. changing the sleepers head positionD. changing the pillows shape3. What can we learn about the wearable air purifier?A. It can be used to cool th
8、e air.B. It needs a solid seal to purify the air.C. It is a high-tech face covering.D. It can purify the air surrounding the users.B Jennifer Mauer has needed more willpower than the typical college student to pursue her goal of earning a nursing degree. That willpower bore fruit when Jennifer gradu
9、ated from University of Wisconsin-Eau Claire and became the first in her large family to earn a bachelors degree. Mauer, of Edgar, Wisconsin, grew up on a farm in a family of 10 children. Her dad worked at a job away from the farm, and her mother ran the farm with the kids. After high school, Jennif
10、er attended a local technical college, working to pay her tuition (学费), because there was no extra money set aside for a college education. After graduation, she worked to help her sisters and brothers pay for their schooling. Jennifer now is married and has three children of her own. She decided to
11、 go back to college to advance her career and to be able to better support her family while doing something she loves : nursing. She chose the UW-Eau Claire program at Ministry Saint Josephs Hospital in Marshfield because she was able to pursue her four-year degree close to home. She could drive to
12、class and be home in the evening to help with her kids. Jennifer received great support from her family as she worked to earn her degree: Her husband worked two jobs to cover the bills, and her 68-year-old mother helped take care of the children at times.Through it all, she remained in good academic
13、 standing and graduated with honors. Jennifer sacrificed (牺牲) to achieve her goal, giving up many nights with her kids and missing important events to study. Some nights my heart was breaking to have to pick between my kids and studying for exams or papers, she says. However, her children have learn
14、ed an important lesson witnessing their mother earn her degree. Jennifer is a first-generation graduate and an inspiration to her family and thats pretty powerful.1.What did Jennifer do after high school?A.She helped her dad with his work.B.She ran the family farm on her own.C.She supported herself
15、through college.D.She taught her sisters and brothers at home.2.Why did Jennifer choose the program at Ministry Saint Josephs Hospital in Marshfield?A.To take care of her kids easily.B.To learn from the best nurses.C.To save money for her parents.D.To find a well-paid job there.3.What did Jennifer s
16、acrifice to achieve her goal?A.Her health.B.Her time with family.C.Her reputation.D.Her chance of promotion.4.What can we learn from Jennifers story?A.Time is money.B.Love breaks down barriers.C.Hard work pays off.D.Education is the key to success.C We are the products of evolution, and not just evo
17、lution that occurred billions of years ago. As scientists look deeper into our genes(基因), they are finding examples of human evolution in just the past few thousand years. People in Ethiopian highlands have adapted to living at high altitudes. Cattle-raising people in East Africa and northern Europe
18、 have gained a mutation(突变) that helps them digest milk as adults. On Thursday in an article published in Cell, a team of researchers reported a new kind of adaptationnot to air or to food, but to the ocean. A group of sea-dwelling people in Southeast Asia have evolved into better divers. The Bajau,
19、 as these people are known, number in the hundreds of thousands in Indonesia, Malaysia and the Philippines. They have traditionally lived on houseboats; in recent times, theyve also built houses on stilts (支柱) in coastal waters. They are simply a stranger to the land, said Rodney C. Jubilado, a Univ
20、ersity of Hawaii researcher who studies the Bajau. Dr. Jubilado first met the Bajau while growing up on Samal Island in the Philippines. They made a living as divers, spearfishing or harvesting shellfish. We were so amazed that they could stay underwater much longer than us local islanders, Dr. Jubi
21、lado said. I could see them actually walking under the sea. In 2015, Melissa Ilardo, then a graduate student in genetics at the University of Copenhagen, heard about the Bajau. She wondered if centuries of diving could have led to the evolution of physical characteristics that made the task easier f
22、or them. It seemed like the perfect chance for natural selection to act on a population, said Dr. Ilardo. She also said there were likely a number of other genes that help the Bajau dive.1.What does the author want to tell us by the examples in paragraph 1 ?A.Environmental adaptation of cattle raise
23、rs.B.New knowledge of human evolution.C.Recent findings of human origin.D.Significance of food selection.2.Where do the Bajau build their houses?A.In valleys.B.Near rivers.C.On the beach.D.Off the coast.3.Why was the young Jubilado astonished at the Bajau?A.They could walk on stilts all day.B.They h
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