2021届北京市丰台区三路居中学高三英语一模试题及答案第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30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AYou might not expect it, but cows are a large source of the greenhouse gases that are driving climate change. Cows produce lots of methane by breaking down the grass, Now scientists have shown that the pollution from cows canbe reduced by adding a little seaweed to their food.Scientists first discovered that seaweed could help control methane from cows several years ago. But this work was done in a laboratory, there were many questions about whether the idea could work in real life.In the lab studies, the cows were given quite a bit of seaweed, and they would cause losing weight. That wasn't helpful, since cows are often sold by weight. It also wasn't clear if the seaweed would stop working if it was used for a longer period of time.Now, scientists from the University of California, Davis have answered several of these questions.The researchers studied 21 cows on a farm for about five months. They taught the cows to get their food from inside a special hood, which allowed the scientists to measure the methane that the cows were giving off. This time, they used a much smaller amount of seaweed, which they mixed with the cows' food.The results were surprisingly good. In some cases, the cows produced 82% less methane. The improvement depended on the kind of food the cows were given, but even the worst-polluting cows produced 33% less methane.Over the five months, the scientists didn't see any signs that the cows' stomachs were getting used to the seaweed and starting to produce more methane again.Another surprise came when they looked at the weight of the cows. The cows that were fed seaweed gained just as much weight as the other cows, but they didn't need as much food.But there are still some big problems with the idea of feeding cows seaweed. For one thing, there's notadequateseaweed to feed all of the cows in the world. So farmers would have to figure out a way to grow lots of seaweed.A bigger problem is that for most of their lives, cows live in fields, where they eat the grass. That means there's no chance to feed them seaweed every day. These problems need to be taken seriously if the world is going to avoid the worst effects of the climate crisis.Still, it's true that something as simple as feeding cows seaweed can help reduce some of the pollution causing the climate crisis.1. Why did the scientists do the experiment on the farm?A. To control the amount of seaweed.B. To record the weight cows gained.C. To confirm the effect of seaweed in real life.D. To measure the amount of seaweed cows ale.2. The underlined word “adequate” means ________ .A. commonB. specialC. lackingD. enough3. The passage is written to ________ .A. appeal to people not to raise the cowsB. encourage people to plant the seaweedC. remind people of controlling cows' weightD. call on people to take actions to reduce the pollutionBThe COVID-19 vaccination（接种疫苗）rate in the US has fallen to newlows in recent weeks, threatening President Joe Biden’s goal of having 70 percent of American adults with at least one shot by July 4.With just less than one month from July 4, the current vaccination rate will put the US at somewhere between 67 percent and 68 percent of the adult population with at least one dose（剂量）by Independence Day. To reach 70 percent by July 4, around 1.6 percent of the population needs to get their first dose per week from now until July 4.The Centers for Disease Control and Prevention（CDC）reported last week that 63 percent of adults hadreceived their first dose of a COVID-19 vaccine. That was up slightly from 62 percent from the report a week before. The additional 1 percent of adults completing their first dose is the lowest since the CDC started tracking the vaccination rate in mid-February.On average, fewer than 1 million shots are given out per day, a decline of more than two-thirds from the peak of 3.4 million in April, The Washington Post reported. In South Carolina, about 71,000 residents got a shot in the week leading up to June 3, compared to a high of nearly 300,000 in one week in early April, according to data from the CDC.The slowdown is moreprominentacross the South and Midwest. Twelve states have seen vaccinations fall to 15 daily shots per 10,000 residents. Less than a quarter of black Americans had received their first COVID-19 shot as of June 7.James Hildreth, CEO of Meharry Medical College, told Politico, “We need to make a stronger effort to bringthe vaccine to the communities, rather than relying on the communities to come to vaccination centers.”The sharp decline in vaccination began in mid-April when federal officials temporarily stopped the use of the Johnson＆Johnson vaccine while they investigated rare blood-clotting（凝血）reactions.The “low-hanging fruit—thosepeople who ly want to get vaccinated without you telling them anything” have already been vaccinated, which has led to the slowdown, Dr Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, said on a White House-organized call with community leaders last week, according to the Post.4. What can we learn from the text?A. Dr Anthony Fauci is in charge of the Centers for Disease Control and Prevention.B. In South Carolina, about 300,000 residents got a shot in the week leading up to June 3C. In mid-April federal officials temporarily suspended the Johnson＆Johnson vaccine.D. Less than one fourth of Americans had received their first COVID-19 shot by June 7.5. Which of the following can replace the underlined word “prominent” in Para. 5?A. Meaningful.B. Obvious.C. Inspiring.D. Complex.6. How can America increase the COVID-19 vaccination rate according to James Hildreth?A. By giving the vaccine shot at the communities.B. By offering the vaccine to the public for free.C. By frequently informing the public of the vaccine.D. By urging the communities to come to vaccination centers.7. What can be the best title for the text?A. Biden wishes to have 70% of adults with one shot by July 4B. CDC has been trackingthe vaccination rate since mid-FebruaryC. Some Americans need to get vaccinated without telling them toD. Biden’s July 4th vaccine goal may be missedCI was at the hardware store the other day and overheard a woman tell Ed., the manager, that fall was her favorite time of year. Ed., because he liked to keep his customers happy, agreed that fall was a wonderful season, but I could tell he was lying.I was going through my mind recently, trying to find sweet memories of fall. I failed. I met my wife in the summer and married her two summers later. My sons were born in the winter and summer, my granddaughter inthe winter. I’ve been fried twice in my life, both in fall. One October, a truck carrying tofu ran a red light and hit me, destroying my favorite car, combining the three things I most hate - trucks, tofu and October.I'm not saying fall is without its attractions. The leavesare beautiful. But fall's vacillation (立场摇摆)is troubling, its effort (努力)to please everyone, its continuous search for the middle ground to be all things to all people. Say what you will about summer and winter, at least they have the courage to keep their opinions strong, even if they kill us with extreme heat or cold.I recently read a story of a man coming out of a three-month coma (昏迷). It started in early fall and ended just as winter came. I hope if I were ever in a coma I would be just as lucky as the man.Upon my awakening, one of my families who stood around my bed would ask. "Don't you remember anything from the past three months?""Not the first thing," I would happily report.If I ever have enough money. I'm going to buy a second home inAustralia, so that when fall starts here, I can move there for three months, just when spring is starting.8. What did Ed think of the customers words according to the author?A. Ed understood them and supported the customer completely.B. Ed might hold a different opinion on the topic.C. Ed believed the customer wasn't telling the truth.D. Ed thought they stood for most peoples' opinion.9. What can we infer from Paragraph 2?A.The author has a big and loving family.B. The author is having a hard time at work.C. It is important to follow the rules of the road.D. Nothing good has happened to the author in fall.10. Why does the author say the man in Paragraph 4 was lucky?A. Because he slept fall away.B. Because he ho sweet memories of fall.C. Because hedreamed of fill many times.D. Because he was met by his family when waking up.11. Which of the following does the author most want to do?A. Drivetracks.B. Eat tofu dishes.C. Watch leaves falling in fall.D. Move toAustraliain October.DOver the years, NASA has successfully sent several rovers (飞行器) to Mars. While the science laboratories continue to provide important information on the Red Planet, they keep the space exploration rovers staying closeto the original landing place.To get a more comprehensive (详尽的) view of Mars, the US Space Agency plans to make a small test helicopter with the Mars 2020 Rover, which will be sent off in July 2020.The football-sized “marscopter” weighs about four pounds.It can fly at about ten times the speed of helicopters on Earth. The light weight and fast speed are important for the helicopter to be able to fly in the thin Mars atmosphere, which is about just one percent of that of Earth. “To make it fly in that thin Mars atmosphere, we had to make everything ready, and make it as light as possible while being as strong and powerful as it can possibly be. “Mimi Aung, Mars helicopter project manager, said in a meeting.Upon landing on the Red Planet, the Mars 2020 Rover will find a proper location to send of the helicopter. The helicopter will start with a short climb, no higher than 10 feet, and hover (盘旋) for just 30 seconds before landing back on the Mars surface. If all goes well, five more flights of longer distances, for 90 seconds each, will be conducted over the next 30 days. The short journeys will be recorded by a small camera and sent back to the scientists on Earth.If the plan goes on well, the first helicopter to fly in another world, will open up a whole new way to explore Mars. The Mars helicopter's first flight will be a great invention. For those of us whose research is about flight, that would be a wonderful, historic moment.12. To fly in thin Mars atmosphere，we should make the helicopter_______.A. strong and heavyB. heavy and fastC. light and fastD. strong and slow13. How many times will the helicopter fly?A. Three timesB. Four timesC. Five timesD. Six times14. What can we learn from the last paragraph?A. It’s interesting to fly in another world.B. I' s important to fly in another world.C. The plan to fly the helicopter goes on well.D. The helicopters first flight is successful.15. What may be the best title for the passage?A. To send a helicopter to Mars in 2020B. To send a rover to Mars in 2020C. To live in the thin Mars atmosphereD. To send back records to scientists第二节（共5小题；每小题2分，满分10分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。
