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题型:阅读理解 题类:常考题 难易度:普通

山西省祁县中学2017-2018学年高一上学期英语12月月考试卷

阅读理解

    Scientists have found living organisms(有机体) that could be 50,000 years old recently. The organisms were found in a hot, but beautiful cave system in Naica, Mexico. These ancient life forms can be seen only with a microscope, which proves they are probably microbes(微生物).

    Penelope Boston leads the Astrobiology Institute at NASA, the space agency of the United States. These ancient organisms are able to exist by eating minerals such as iron and manganese. If the findings are confirmed, they will show how microbes can survive in extreme conditions.

    Researchers have been studying ancient microbes for nine years. Forty different kinds of microbes and some viruses were found in the underground area this time. The genetic(基因的) structures of these organisms are different from those of their nearest relatives –viruses. That is similar to that humans are genetically different from mushrooms growing in forest. The caves in Naica are 800 kilometers deep. Before the miners began working in the caves, the area was isolated from the surface and the outside world.

    Some of the caves are as big as the large religious centers built during Europe's Middle Ages. There are crystals(晶体) covering the walls. Scientists must wear special clothing to keep cool. And the clothing keeps the crystals safe from human germs or other damage. The researchers could only work for about 20 minutes at a time before they have to go to a room that is 28 degrees Celsius to cool down.

    NASA officials would not let Boston share her findings with scientific experts until the last week's announcement. So scientists could not say much about the findings. But Norine Noonan, a biologist at the University of South Florida, said she believed them. “Why are we surprised?” Noonan asked, “As a biologist, I would say life on Earth is extremely tough and versatile.” “What's more, these organisms are not the oldest life forms on Earth. Scientists published studies about living microbes that may be 500,000 years old several years ago,” she added.

(1)、What do these ancient life forms survive on?
A、Plants. B、Organisms. C、Viruses. D、Minerals.
(2)、What's the author's purpose of mentioning the example of humans and mushrooms?
A、To prove the ancient organisms are close to mushrooms. B、To show the area was once cut off from the outside world. C、To explain the ancient organisms and viruses are different in genes. D、To show the ancient organisms found differ from humans in genes.
(3)、Why could the researchers only stay for a short time in the caves at a time?
A、Because crystals tee damage people's health. B、Because the caves are full of harmful gases. C、Because there are some germs in the caves. D、Because the caves are very hot.
(4)、What's the main idea of the passage?
A、A beautiful cave system was discovered in Naica. B、The ancient life forms are too small to be seen. C、50,000-year-old living organisms were found in Mexico. D、Researchers find new ways to study living organisms.
举一反三

          When the dog named Judy spotted the first sheep in her life, she did what comes naturally. The four-year-old dog set off racing after the sheep across several fields and, being a city animal, lost both her sheep and her sense of direction. Then 
she ran along the edge of cliff( 悬崖) and fell 100 feet, bouncing off a rock into the sea.
         Her owner Mike Holden panicked and celled the coastguard of Cornwall, who turned up in seconds . Six volunteers slid down the cliff with the help of a rope but gave up all hope of finding her alive after a 90-minute search.
         Three days later, a hurricane hit the coast near Cornwall. Mr. Holden returned home from his holiday upset and convinced his pet was
 dead. He comforted himself with the thought she had died in the most beautiful part of the country.
          For the next two weeks, the Holdens were heartbroken . Then, one day, the phone rang and Steve Tregear, the coastguard of Cornwall, asked Holder if he would like his dog bark.
         A birdwatcher, armed with a telescope, found the pet sitting desperately on a rock. While he sounded the alarm, a student from Leeds 
climbed down the cliff to collect Judy.
         The dog had initially been knocked unconscious(失去知觉的)but had survived by drinking water from a fresh scream at the base of the cliff. She may have fed on the body of a sheep which had also fallen over the edge. “The dog was very thin and hungry,” Steve Tregear said , “It was a very dog. She survived because of a plentiful supply of fresh water,” he added.
          It was ,as Mr. Holden admitted, “a minor miracle(奇迹)”. 

阅读理解

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阅读理解

    People seem to have a natural need for friends and with good reason, friends increase your enjoyment of life and relieve feelings of loneliness. They even can help reduce stress and improve your health. Having good friends is especially helpful when you are going through any kind of hard time such as when you are experiencing anxiety, panic(恐慌) attacks, or depression.

    When you are with good friends, you feel good about yourself, and you are glad to be with them. A friends is someone who—

●you like, respect, and trust, and who likes, expects and trusts you, doesn't always understand you, but accepts and likes you as you are, even as you grow and change, allows you the space to change, grow, make decisions, and even make mistakes.

●listens to you and shares with you both the good times and the bad times.

●respects your need for secrets, so you can tell them anything.

●lets you freely express your feelings and emotions without judging, laughing at or criticizing you.

●accepts the limitations you have put on yourself and helps you to remove them.

    A person once said. "Friendship is a continuing source of bonding(连接),releasing, and creating in yourself and with the other person, there is an emotional bond between the two people."

    A good friend or supporter may or may not be the same age or the same sex as you, and may not have the same educational, cultural, or religious background, or share interests that are similar to yours. Friendships also have different depths(深度). Some are closer to the heart and some more superficial, but they're all useful and good.

阅读理解

Ivan Pavlov was a Russian physiologist (生理学家) best known for his discovery of classical conditioning (经典条件反射). During his studies on the digestive systems of dogs, Pavlov found that the animals salivated (流口水) naturally upon the presentation of food. However, he also noticed that the animals began to salivate whenever they saw the white lab coat of an experimental assistant. By associating the presentation of food with the lab assistant, he finally found that a dog would salivate to the presence of a stimulus (刺激物) other than food. He called this response a conditional reflex.

Ivan Pavlov was born in a small village in Ryazan. Russia, where his father was the village minister. His earliest studies were focused on theology (神学), but reading Charles Darwin's On the Origin of Species had a powerful influence on his future interests. He soon stopped his religious studies and devoted himself to the study of science at the University of Saint Petersburg. Pavlov's interests were the study of physiology and natural sciences. He helped found the Department of Physiology at the Institute of Experimental Medicine and continued to manage the program for the next 45 years.

Pavlov received much praise for his work. He worked in the Russian Academy of Science and won the 1904 Nobel Prize in Physiology. The Soviet government also offered lots of support for Pavlov's work, and the Soviet Union soon became a leading center of research on physiology. While Ivan Pavlov was not a psychologist, and reportedly disliked the field of psychology, his work had a major influence on the field, particularly on the development of behaviorism. His discovery and research on reflexes influenced the growing behaviorist movement. and Pavlov's discovery had a major influence on many thinkers, such as John B. Watson.

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