最新中学1718学年下学期高一期末考试英语试题附答案3Word文档下载推荐.docx

1、每小题2分，满分30分）阅读下列短文，从每题所给的四个选项 （A 、B 、C 和 D ）中 ，选出最佳选项，并在答题卡上将该项涂黑。AVinegar（醋）is great. It makes salad, fries and dumplings taste better, and you can even clean your windows with it. And now, according to scientists，it may even help the planets population survive climate change. Researchers from the

2、RIKEN Center for Sustainable Resource Science （CSRS） in Japan proved that. They found growing plants in vinegar makes them more resistant to droughts. This could mean that in the future，worries about climate change affecting the worlds supply of food will be much lower.The discovery was made after t

3、he researchers studied the Arabidopsis, a plant known for its ability to survive in dry weather. It was found that when the plant was placed in drought-like conditions, it produced a chemical called acetate（醋酸盐）- the main component of vinegar.After discovering this, the scientists experimented furth

4、er by adding acetate to the soil of other plants before they stopped giving them water completely. After leaving the plants for 14 days, they found that the ones treated with acetate had survived, while the untreated plants had dried up and died.Its hoped that this simple method of survival could so

5、on be used to help farmers in dry countries keep their crops alive. “In the experiment, we targeted the basic foods of the worldrice, wheat and maize. and proved successful” Jong Myong Kim, co-author of the study, told Popular Science magazine.Kim has already been in touch with people around the wor

6、ld who are interested in trying this simple and cost-effective method out for themselves from farmers to companies and amateur gardeners. “Now we are trying to cooperate with them to make a method to apply this system, and make the process as simple as possible,” he said. Hopefully this means the en

7、d of hunger caused by bad weather in the future.21. What does the underlined word “that” in paragraph 1 refer to?A. Vinegar may help creatures survive bad weather.B. Vinegar is found in plants by Japanese scientists.C. Vinegar is very useful for cooking.D. Vinegar is mainly used by people to clean h

8、ouses.22. Scientists in Japan find from their studies that _.A. the acetate can be used by farmers to replace the soil.B. the plants treated with acetate could survive dry conditions.C. soil condition could be changed by pouring vinegar continually.D. the Arabidopsis could survive in dry weather bec

9、ause of the shape.23. What can we infer from the last paragraph?A. How to decrease the cost is the main issue.B. Keeping plants alive means a lot for scientists.C. The method is promising especially in agriculture.D. Its too difficult for farmers to accept the method.24. Which of the following can b

10、e the best title for the text?A. Plants Need Water B. Vinegar and FoodC. Japanese Scientists Find a Way to Survive D. Vinegar Could End HungerBAs more and more schools rush to put digital devices in the hands of every student, many parents are becoming increasingly worried about the quality of their

11、 childrens education. The promise of increased student academic achievement through the use of technology hasnt produced any significant results in the past 20 years.Researchers at the University of California Los Angeles conducted a study in 2014 to determine if the social skills of elementary stud

12、ents were blocked by screen time. Two groups of sixth grade students were compared. One group was sent to an outdoor camp for one week with no screen time, while the control group live life as normal. After one week, the students at camp had made significant improvements over their peers（同龄人）. The g

13、ood news is that when we limit access to screen time and give children the opportunity to interact face to face, they quickly become better at reading the emotional state of others. The bad news is that we have a generation of children that struggle with this basic emotional intelligence skill.Too m

14、uch screen time has been linked to childhood obesity, sleep disorders, behavior problems, and academic challenges. But is there a difference between schoolwork and entertainment media?When students are using technology for academic work they are more likely to be communicating with peers, working co

15、operatively, and developing other important skills. However, all these are impossible when students watch entertainment media. They just sit and watch!Parents have the right to focus on their childrens screen time at school, but they should begin with discussing the use of digital media at home. Som

16、e parents are continuously engaged in their own devices, responding to every ring of their phones, receiving and sending messages. How can they expect their children to do better?25What was the schools original intention of using digital devices?A. To make sure students get technological education.

17、B. To help students develop socially.C. To make school life more entertaining and colorful.D. To improve students academically.26What aspect of children worries the writer a lot?A. Lacking guidance on proper screen time.B. Lacking chances to communicate with others.C. Lacking interest in improving t

18、heir study.D. Lacking skills in reading others emotional state.27What attitude does the writer have to the use of digital devices in schoolwork?A. Positive. B. Worried.C. Negative. D. Uncertain.28From the passage, we can learn that _.A. parents shouldnt oppose schools in their educational approaches

19、B. some parents may set a bad example to their children in using digital mediaC. the screen watching time shouldnt be longer than 2 hours for studentsD. its wrong for schools to focus on technological educationCOne day when I was 12, my mother gave me an order: I was to walk to the public library, a

20、nd borrow at least one book for the summer. This was one more weapon for her to defeat my strange problem inability to read.In the library, I found my way into the “Childrens Room.” I sat down on the floor and pulled a few books off the shelf at random. The cover of a book caught my eye. It presente

21、d a picture of a beagle. I had recently had a beagle, the first and only animal companion I ever had as a child. He was my secret sharer, but one morning, he was gone, given away to someone who had the space and the money to care for him. I never forgot my beagle.There on the books cover was a beagl

22、e which looked identical to my dog. I ran my fingers over the picture of the dog on the cover. My eyes ran across the title, Amos, the Beagle with a Plan. Unknowingly, I had read the title. Without opening the book, I borrowed it from the library for the summer.Under the shade of a bush, I started t

23、o read about Amos. I read very, very slowly with difficulty. Though pages were turned slowly, I got the main idea of the story about a dog who, like mine, had been separated from his family and who finally found his way back home. That dog was my dog, and I was the little boy in the book. At the end

24、 of the story, my mind continued the final scene of reunion, on and on, until my own lost dog and I were, in my mind, running together.My mothers call returned me to the real world. I suddenly realized something: I had read a book, and I had loved reading that book. Everyone knew I could not read. B

25、ut I had read it. Books could be incredibly wonderful and I was going to read them.I never told my mother about my “miraculous” experience that summer, but she saw a slow but remarkable improvement in my classroom performance during the next year. And years later, she was proud that her son had read

26、 thousands of books, was awarded a PhD degree in literature, and authored his own books, articles, poetry and fiction. The power of the words has held.29The book caught the authors eye because_.A. it contained pretty pictures of animalsB. it reminded him of his own dogC. he found its title easy to u

27、nderstandD. he liked childrens stories very much30Why could the author manage to read the book through?A. He was forced by his mother to read it.B. He identified with the story in the book.C. The book told the story of his pet dog.D. The happy ending of the story attracted him.31What can be inferred

28、 from the last paragraph?A. The author has become a successful writer.B. The authors mother read the same book.C. The authors mother rewarded him with a PhD degree.D. The author has had happy summers ever since.DMany Americans think of driverless cars as a futuristic technology that will revolutioni

29、ze（彻底变革） travel in cities and along state highways. But recent experiments are proving that autonomous vehicles also have the potential to improve the quality of life for millions of Americans underserved by traditional modes of transportation, such as the elderly and disabled, so long as lawmakers

30、make smart policies that pave the way for invention.A retirement community in San Jose, California , which has been transformed by a small fleet of driverless taxis, shows the potential of self-driving cars to transform peoples lives. Built by a tech company called Voyage, the modified Ford Fusions

31、are currently limited to a two-mile road, but residents are already having the benefits of these autonomous vehicles, which allow them to participate in social activities they would otherwise be unable to enjoy simply because they could not get to them.When the trial run finally expands to 15 miles

32、of road, these residentswhose average age is 76will also have a convenient and reliable new way to appointments. As these cars continue to serve residents there, it is easy to understand why California is moving to simplify laws for the industry.In Michigan, forward-thinking policies have the potential to unlock other hidden benefits of autonomous veh