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题型:阅读理解 题类:常考题 难易度:困难

四川省遂宁市2018-2019学年高二上学期英语期末考试试卷

阅读理解

    Many science fiction stories tell about explorers arriving in a new world. The explorers then use some kind of high-tech device to test for breathable air or signs of life. But here on Earth, science fiction is becoming reality through a new sampling technology called environmental DNA, or eDNA for short. Scientists can use it to identify rare species or estimate fish populations with just a little air or water.

    Environmental DNA can be used in two ways. One is to identify the creatures that live in a certain place. The other is to confirm the presence or lack of a specific creature.

    Caren Goldberg is one of the first biologists to take the technology from the testing stage to actually using it. She sees eDNA as a way to get answers more efficiently and with less destruction compared to traditional survey techniques. Until recently, scientists depended on snorkeling ( 潜水), netting or using an electric current to temporarily catch fish.

    This newer way to identify what lives in the environment is becoming popular around the world. Animal experts in Vietnam are using the eDNA to find the last, wild Yangtze giant softshell turtles. One researcher on the Caribbean island of Trinidad is using the sampling technology to find endangered golden treefrogs. In Madagascar, it is being used to identify amphibian(两栖动物)diseases.

    Ms Goldberg has used eDNA testing to confirm the local extinction (灭绝) of a leopard frog in the American state of Idaho. She has also been asked to document the spread of the New Zealand mudsnail in the state of Washington. The creature has been found in lakes and other waterways across the state.

    Scientists working with the technology say they do not expect robots to replace field biologists anytime soon. But the old-fashioned field work could soon be more targeted.

(1)、Compared to traditional survey techniques, eDNA is more______.
A、complex B、eco-friendly C、dangerous D、convincing
(2)、By using eDNA, Caren Goldberg has______.
A、succeeded in catching many fishes B、found the existence of golden treefrogs C、documented the spread of softshell turtles D、confirmed the disappearance of the leopard frog in Idaho
(3)、What can we infer from the last paragraph?
A、Robots will replace scientists soon. B、Some scientists are against using eDNA. C、The old-fashioned field work may disappear. D、Many biologists are unwilling to do the field work.
(4)、What is the best title for the text?
A、Science Fiction Becomes Reality for Species Surveys B、Biologists Explore Space with the Help of eDNA C、Scientists Found Methods to Test for Signs of Life D、New Technologies Are Presented in Science Fictions
举一反三
根据短文理解,选择正确答案。

    Valentine's Day, a day traditionally reserved for expressing romantic love, is observed practically all around the world. However, not many people are familiar with Sweetest Day. Actually it is a holiday, especially designed to express love and care for those who were routinely neglected(忽视)by society.

Sweetest Day was the idea of Herbert Birch Kingston, who worked for a company in Cleveland, Ohio. He felt that there were plenty of children, especially orphans and poor kids, who didn't necessarily get the attention they deserved. Thus in 1922, he launched the first Sweetest Day to give out boxes of candy to mainly poor children.

    Since the day picked was the third Saturday in October, this became the traditional time to celebrate Sweetest Day. The tradition was so enjoyed that people often looked beyond kindness to treating their own friends or family to treats on Sweetest Day.

    In the US, Sweetest Day is celebrated primarily in the Northeastern region of the US, still on the third Saturday of October. Yet news of the tradition, which began nearly 100 years ago, has spread to other parts of the country, especially as people who lived in those areas moved elsewhere. People may distribute candy or small gifts to those in patient homes, hospitals, foster homes, or mental institutions, and they may also treat friends and family to little gifts from the heart.

    In keeping with the original tradition, celebrating Sweetest Day should really be most focused on people who ordinarily don't have the good fortune of attention from friends or family, either due to difficult family circumstances or to poverty. This can be a great tradition to start if your community doesn't routinely celebrate the day, and there are many candy manufacturers that are willing to help donate or reduce costs on gifts intended for people in unfortunate circumstances.

阅读理解

    Dear Student of Star Middle School:

    As your student council president, I am writing to ask for your support to start the Count-Your-Steps walking program. Mr. Stewart Thomas, a parent of two students at Star Middle School, firstly came up with the idea. Mr. Thomas is a fan of walking and wants to encourage others to appreciate the activity. He shared his idea with our principal, Ms. Howser, who immediately agreed that we should try it.

    Ms. Howser contacted the other middle schools in the district, and all the teachers eagerly adopted the program. Now a team of Count-Your-Steps organizers made up of representatives from the middle schools, has established the program's goal: to increase awareness of the benefits of walking. Organizers want middle school students to accept this challenge and make walking one of their daily activities.

    The program has clear guidelines. Interested participants must only commit to recording the number of steps taken daily. Ms. Earley, the assistant principal, will give each of us a log for recording our steps and a pedometer, which is a small, digital tool used to count the steps of the person wearing it. All participants need to do each day is to wear the pedometer, walk as much as possible, and then record the number of steps in our logs. Clearly, the process is simple and convenient.

    While the benefits of walking are multiple, this challenge offers all who participate the opportunity to work together, achieve success, and make positive changes. Remember that the other schools in the district are signed up for the Count-Your-Steps too, and each one will try to take more steps than our school. I hope many will agree to this challenge and show everyone the Star Middle School Cougar Spirit.

    Please take into careful consideration this valuable and well-planned program, and then sign up today! In the words of Mr. Thomas, “Together we can enjoy the advantages of walking.”

    Sincerely,

    Cora Jeffries

阅读理解

    For years now, I've been wanting to sell our house, the place where my husband and I raised our children. But to me, this house is much more than just a building.

    In the front room, there's a wall that has hundreds of pencil lines, marking the progress of my children's growth. Every growth stage is marked in grey, with each child's name and the date when they were measured. Most people I know have been featured on a wall like this, or at least had a wall like it in their home.

    Of all the objects and memories, it is this thing in a home that is the hardest to leave behind. Friends I know have returned home after work only to discover their wall of heights has been freshly painted over. A new paint job wouldn't normally be greeted by tears, but erasing that evidence of motherhood hurts more than it should. Our children grow in so many ways, but the wall is the physical evidence of their progress, right there for everyone to see.

    Over the years, I've talked about how much I would hate leaving that wall behind when I moved, even though the last marks were made 10 years ago when my children stopped growing.

    So one day, while I was at work, my children decided to do something about it. They hired Jacquie Manning, a professional photographer. She came to our house, and over several hours, took photos of the hundreds of drawings and lines, little grey fingerprints and old marks. Somehow, she managed to photograph all those years of memories perfectly. Afterwards, she put all the photos together into one image, changing them into a beautiful history of my family.

    Three weeks later, my children's wonderful gift made its way to me — a life-size photo of the pencil lines and fingerprints that represents an entire lifetime of love and growth.

阅读理解

    Have you grasped the information taught by your teacher in class? Have you understood what you saw on the screen? Maybe everyone has their own learning style.

    Generally speaking, we gather information with our minds and bodies in different ways, such as seeing, hearing and doing. Then our brains deals with that information, organizing it and connecting it to things we are already aware .In other words, our brains will deal with the information in different ways. Sometimes we think in pictures or words. Sometimes we remember details or the big pictures.

    For different people, their learning styles are different too. One person may find it hard to make out the information in written forms but easy to know it immediately in an oral description. However, another person might find difficulties with the picture but the written message.

    Now scientists say there exist seven basic learning styles.

    Linguistic: These people learn through listening, reading, speaking and writing.

    Logical: These people learn with formula (公式) and principles (原理).

    Visual: These people learn by seeing what they are studying.

    Musical: These people learn well when information is presented through music.

    Kinesthetic: These people learn from movement and physical activities.

    Intrapersonal: These people learn best by linking new information directly with their own experiences.

    Interpersonal: These people learn well by working with others.

    Therefore, if you know what learning style is your strength, you can balance your weakness, and get a more successful learning experience.

阅读理解

    I live on the West Coast of British Columbia with my husband and three children. Our day started like any other day. My husband left for work in the north of the town, which is an hour and a half's drive. The younger children caught their bus to school ten minutes away. Our oldest attends high school and is a 40-minute drive away. I work at home in the office, working on the computer.

    It was November 2006 and the news had reported gusty winds. When the winds started to get strong I shut the computer down and tried to phone my husband. I left a message telling him the winds were blowing at 80 to 90 km/hr. As I hung up the phone, I heard a tree crack. I went outside and stood in the driveway. Another tree exploded and my heart was racing.

    When the school bus carrying the youngsters arrived, I ran to get them. No sooner had we made it to the house than another tree exploded. The children were clearly scared, so I loaded them up into the car and we parked in the middle of the yard, where no trees could land on us, it was starting to get dark.

    My oldest son didn't come home on the bus and my husband was stranded at work. I called the high school and reached my son. He said he was stranded and didn't know what to do. I called a friend in town for help. He managed to get my son home to me. Finally, my husband managed to get home.

    We had been prepared for such events, as we had a generator, candles, a wood stove, fresh water, batteries and two freezers full of food. We were without power for five days. But we didn't panic we had all the emergency equipment we needed. Thankfully, none of our neighbours were injured, but the damage was extensive. We are witnessing climate change. We need to be prepared.

阅读短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。

    We often hear stories of animals rescuing people. But now someone has managed to return the favor.

    The event took place one snowy January morning Thomas Smith was walking his dog, Jack, in the park." As I was walking, I just saw Jack running onto the ice towards the ducks in the middle, and then he fell into the water and couldn't climb out, "said Smith. He realized he had no choice but to try and save his dog. "Someone else told me the lake was only one-meter deep, but it was at least twice that. I had to break my way through the 6-cm ice. Finally, I got Jack by the neck, and pulled him out. I don't think I have ever felt so cold by the time we got back to dry land. And when we got there, everyone was asking if Jack was okay no one was particularly worried, about me!"

    A neighbor, Julie Brown, saw it all happen. "The dog went onto an icy lake. All of a sudden, it started to go under. There were crowds of people around, and they were all shouting and screaming. Before I knew it, the owner Smith was in the water forcing his way through the ice. I can't begin to imagine how cold it was. Everyone was very nervous, but he was as cool as a cucumber he just crawled back out, put the dog on its lead, and went home."

    Many regard him as a hero, but Mr. Smith is quite laid-back about it. "Most dog owners are the same as me. They would do what I did without a second thought. But in the future, I'm going to make sure he's on lead near any ice ponds, Pets are members of our family. Would you do the same for them?

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