What will be the benefit if the research on smart windows turns out to be successful, according to the last paragraph?
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1 .Which of the following statements is NOT true according to the fourth and fifth paragraphs?
A Our biological clock resets itself automatically. B light gets through our eyes and resets our biological clock. C Our internal clock as well as the alarm clock can be reset automatically. D Our internal clock, like the alarm clock, can be reset.
2 .Which of the followings does not indicate the importance of windows as described in the first two paragraphs?
A Windows can change from clear to dark to save energy. B Windows help to save energy by letting light in. C Windows help to save energy by providing heat. D Windows enable people to have contact with the outside world.
3 .When are windows the weak link in a building?
A in the cold winter B in the hot summer C when air conditioners are turned on D both A and B
4 .What are the smart windows, according to P4?
A Windows that are coated. B Windows that are glazed. C Windows the color of which can be changed. D Windows that have many layers.
5 .To make electrochromic windows change color, what is applied to the window glass?
A Electricity B Tungsten oxide C A battery D A voltage
7 .(46)_______
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9 .(48)_______
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10 .(49)_______
A Then people living in the path of a hurricane can protect themselves and their belongings. B Hurricane season in the Atlantic begins June 1st and ends November 30th. C One hurricane, named Belle, made forecasters feel trouble. D Dr. Robert Sheets, the chief forecaster at the National Hurricane Cen...
