TPO 23阅读 答案 解析.doc

TPO 23阅读 答案 解析.docTPO23
The word tt|normous?, in the passage is closest in meaning to
growing
frightening
very large
strictly controlled
The word "surpass" in the passage is closest in meaning to
remain below
be higher than
add to
come close to
According to paragraph 2, how soon heat from a warmed house reaches the outside air greatly affected by
how well the house is heated
how well the house is insulated
how many adults live in the house
how much sunshine the house receives
According to paragraph 3, each of the following contributes to making urban areas warmer than the surrounding countryside EXCEPT
the fuel burned by motor vehicles
the capacity to store heat of the materials used in building a city
the easy flow of heat into the ground in city areas covered by vegetation
the repeated reflection of solar radiation back and forth among buildings
According to paragraph 3, why do materials in the countryside have a lower heat capacity than materials in cities do?
In the countryside in the Sun is the only
Urban Climates
The city is an extraordinary processor of mass and energy and has its own metabolism. A daily input of water, food, and energy of various kinds is matched by an output of sewage, solid waste, air pollutants, energy, and materials that have been transformed in some way. The quantities involved are enormous. Many aspects of this energy use affect the atmosphere of a city, particularly in the production of heat.
In winter the heat produced by a city can equal or surpass the amount of heat available from the Sun. All the heat that warms a building eventually transfers to the surrounding air, a process that is quickest where houses are poorly insulated. But an automobile produces enough heat to warm an average house in winter, and if a house were perfectly insulated, one adult could also produce more than enough heat to warm it. Therefore, even without any industrial production of heat, an urban area tends to be warmer than the countryside that surr