牛津譯林版（2020）選擇性必修第一冊(cè)《Unit 3 The art of painting》2021年同步練習(xí)卷（Welcome to the unit Reading 課后作業(yè)）

Ⅰ.單詞拼寫

• 1．The money we raise will be going to a very

  （值得的） cause.
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• 2．Most of the other artists whose works are on

  （展示） are his pupils or colleagues.
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• 3．It is not

  （實(shí)際的） to expect people to spend so much money.
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• 4．Factories that

  （雇用） workers to do dangerous work should be closed.
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Ⅱ.閱讀理解

• 12．A new device works like a solar panel，except that it doesn't harvest energy from the sun.It absorbs energy from the cold night sky.
     A prototype（原型）of the device produced enough electricity at night to power a small light bulb.A bigger version might one day light rooms or charge phones.It also could power electronics in remote or low-resource areas that lack electricity.
    The device makes use of the temperature difference between Earth and outer space.It then uses that difference to create electricity.As long as one side of it is cooler than the other，the generator can produce electricity.The cooler side faces the sky and is attached to an aluminum plate.That plate is sealed beneath a transparent cover and surrounded with insulation（隔熱材料）to keep out heat.The bottom of the generator is attached to an exposed aluminum plate.That plate is warmed by the local air.At night，the top plate can get a couple of degrees Celsius cooler than the bottom of the generator.
     Researchers tested a 20 centimeter prototype one clear December night in Stanford，California.The generator produced up to about 25 milliwatts of power per square meter of device.That was enough power to light a small lighte-mitting diode，or LED bulb.Further improvements might increase its production to at least 500 milliwatts per square meter.To do that，the system might need more insulation around the cool top plate.
     The device also could help power remote weather stations or other environmental devices，says Aaswath Raman.He is a materials scientist who worked on the device at the University of California，Los Angeles."This may be useful in polar regions that don't see sunlight for months at a time，"Raman says，"If you have some low-power load and you need to power it through three months of darkness，this might be a way."
  
  （1）What can we know about the new device？

  
  A．It gains energy from the sun.
  B．It's been widely used in life.
  C．It is cooler than a solar panel.
  D．It'll be popular in special areas.
  （2）What does the author mainly talk about in Paragraph 3？

  
  A．Application fields of the device.
  B．The developing process of the device.
  C．The working principle of the device.
  D．Significant effects of the device.
  （3）How can the device produce more electricity？

  
  A．By putting more insulation around the top plate.
  B．By using it in extremely cold and clear nights.
  C．By attaching the bottom plate to a warm plate.
  D．By covering the top plate with a transparent lid.
  （4）What could be a suitable title for the text？

  
  A．A Device Using the Cold Night Sky to Produce Electricity
  B．A Device Bringing New Hope for Those in the Cold Night
  C．The Difference Between a Solar Panel and a New Device
  D．The Temperature Difference between Earth and Outer Space
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Ⅲ.閱讀七選五

• 13．As is known，exercise helps to keep us in good health.Doctors at the American Heart Association suggest getting at least 150 minutes of moderate physical activity every week.Many people have an exercise routine.（1）

  .So，getting those 150 minutes is easier.But what about those times when you are sick？If you do not feel well，should you keep following your exercise routine？Will physical activity help you to feel better more quickly or will it delay the healing process？
     Health experts answer these and other questions on the Mayo Clinic website.Mild to moderate physical activity is usually OK if you have a common cold.According to the experts，it is usually fine to exercise if your symptoms are all "above the neck".（2）

  .In fact，exercise may make you feel better by "opening your blocked nose".This may temporarily reduce congestion and help you to breathe more easily.
     （3）

  ，though.So be on guard for symptoms such as chest congestion，extreme cough or pain in the stomach.Besides，there are other symptoms that can tell you to avoid exercise.They include：a higher than normal body temperature，a sense of feeling extremely tired，also known as fatigue，and widespread muscle pain.（4）

  .
     Finally，experts suggest learning to listen to your body.If you feel really bad，take a break and let your body rest.If you don't feel too bad，these experts both suggest cutting back on the intensity（強(qiáng)度）of your exercise routine.（5）

  .Experts all indicate that a few days off from exercise when you are sick shouldn't affect your performance.You can return to your usual intensity when you feel better.
  
  A.These signs may include a runny nose，nasal congestion （鼻塞），sneezing or a minor sore throat
  B.Experts especially point out that if you feel tightness in the chest，it is not advisable to work out
  C.They exercise for a few minutes every day or every other day
  D.Exercising will result in more severe illness
  E.For example，if you usually run，take a quick walk instead
  F.Experts suggest taking a break from exercising if signs of your illness appear "below the neck"
  G.Exercising regularly keeps us feeling exhausted
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