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1、2020-2021学年高一下期3月考试英 语 试 题 本试卷分两部分，共8页。满分150分。考试用时120分钟。考试结束后，将答题卡提交至“家校本”。第二部分 阅读理解 （共两节，满分40分）第一节 (共10小题;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中, 选出最佳选项，并在答题卡上将该项涂黑。 ADear daughters, Most parents tell their children, “You can be anything you want when you grow up.” I feel the same and I say this often. But
2、 I also want you to understand that realizing your dreams comes from hard work, some good luck and good timing.Here are some words of wisdom for you as you make your way in the world, from an entrepreneur (企业家) and from your mama.1. Be open-minded to changing your path along the way In high school,
3、I wanted to be a politician. I left my hometown and went off to college in Washington,DC. There, I discovered that I loved to support women. It taught me that Im creative, a strong leader and great at marketing. As a result, I moved on to be the head of a national health-care nonprofit. Becoming a m
4、other while in that job opened my mind to launching a breast pump bag (储奶袋) business. Now I run a highly successful company that I started up on my own. Im not a politician!2. Failure is critical to your success Failure can be heartbreaking. But I will tell you that every failure Ive had along the w
5、ay has absolutely made me better. Failing the big math exam in high school and going to summer school was embarrassing. I eventually passed, and Ive never failed an exam again. I learned from that experience to ask for help. Now, I ask for help in business all the time. Im proud to be a role model t
6、o you as a mom and an entrepreneur. I hope I inspire you to believe that you can be anything you want. It will be my pleasure to watch your lives unfold before my eyes. Love, Your mom21. In the writers opinion, what does it take to realize ones dream?A. Failure, hard work and good timing.B. An open
7、mind, failure and hard work.C. Hard work, good luck and good timing.D. A good dream, an open mind and hard work.22. What did the writer learn from her failure?A. Failure can make us embarrassed.B. We shouldnt get angry when we fail.C. Dont care too much about your failure.D. Its important to turn to
8、 others for help.23. Which of the following words best describe the writer?A. political and proud.B. caring and cautious.C. modest and unlucky.D. flexible and successful. BLarge ecosystems（生态系统）, such as the Amazon rainforest, will collapse and disappear alarmingly quickly, once a crucial tipping po
9、int is reached, according to calculations based on real-world data. Writing inNature Communications, researchers from Bangor University, Southampton University and the University of London, reveal the speed at which ecosystems of different sizes will disappear, once they have reached a point beyond
10、which they collapse transforming into an alternative ecosystem. For example, once the “point of no return” is reached, the Amazon rainforest could shift to a savannah-type ecosystem with a mix of trees and grass within 50 years, according to the research. Some scientists argue that many ecosystems a
11、re currently teetering（摇晃）on the edge of a cliff, with the fires and destruction of both the Amazon and Australian rainforests.“Unfortunately, what our paper reveals is that humanity needs to prepare for changes far sooner than expected,” says joint lead author Dr Simon Willcock of Bangor University
12、. “These rapid changes to the worlds largest and most typical ecosystems would impact the benefits which they provide us with, including everything from food and materials, to the oxygen and water we need for life.”Ecosystems made up of a number of interacting species, rather than those dominated by
13、 one single species, may be more stable and take longer to shift to alternative ecosystem states. “These ecosystems provide opportunities to mitigate or manage the worst effects”, say the authors. For example, elephants are termed a “key stone” species as they have a disproportionately（不成比例地）large i
14、mpact on the landscape pushing over trees, but also dispersing seeds over large distances. The authors state that the loss of key stone species, such as this, would lead to a rapid and dramatic change in the landscape within our lifetime. “This is yet another strong argument to avoid degrading our p
15、lanets ecosystems; we need to do more to conserve biodiversity,” says Dr Gregory Cooper, University of London.24. What is the phenomenon described in paragraph 2?A. Many ecosystems are in danger currently.B. Large ecosystems have reached a tipping point.C. A new ecosystem will appear in the Amazon forest.D. Ecosystems are changed mainly due to natural disasters.25. What is paragraph 3 mainly about? A. The benefits of large ecosystems.B. The ways to prepare for the changes. C. The introdu
