12真题Word下载.docx

1、As Karen Seto, the led author of the paper, points out, the wave of urbanization isnt just about the migration of people into urban environments, but about the environments themselves becoming bigger to accommodate all those people. The rapid expansion of urban areas will have a huge impact on biodi

2、versity hotspots and on carbon emissions in those urban areas. Humans are the ultimate invasive specieswhen the move into new territory, the often displace the wildlife that was already living there. And as land is cleared for those new citiesespecially in the dense tropical forestscarbon will be re

3、leased into the atmosphere as well. Its true that as people in developing nations move from the countryside to the city, the shift may reduce the pressure on land, which could in turn be good for the environment. This is especially so in desperately poor countries, where residents in the countryside

4、 slash and burn forests each growing season to clear space for farming. But the real difference is that in developing nations, the move from rural areas to cities often leads to an accompanying increase in income and that increase leads to an increase in the consumption of food and energy, which in

5、turn causes a rise in carbon emissions. Getting enough to eat and enjoying the safety and comfort of living fully on the grid is certainly a good thing but it does carry an environmental price. The urbanization wave cant be stopped and it shouldnt be. But Setos paper does underscore the importance o

6、f managing that transition. If we do it the right way, we can reduce urbanizations impact on the environment. “Theres an enormous opportunity here, and a lot of pressure and responsibility to think about how we urbanize,” says Seto. “One thing thats clear is that we cant build cities the way we have

7、 over the last couple of hundred years. The scale of this transition wont allow that.” Were headed towards an urban planet no matter what, but whether it becomes heaven or hell is up to us. 56. What issue does the author try to draw peoples attention to? A. The shrinking biodiversity worldwide. B. T

8、he rapid increase of world population. C. The ongoing global economic recession. D. The impact of accelerating urbanization.57. In what sense are humans the ultimate invasive species?A. They are much greedier than other species. B. They are a unique species born to conquer. C. They force other speci

9、es out of their territories. D. They have an urge to expand their living space.58. In what way is urbanization in poor countries good for the environment?A. More land will be preserved for wildlife. B. The pressure on farmland will be lessened. C. Carbon emissions will be considerably reduced. D. Na

10、tural resources will be used more effectively.59. What does the author say about living comfortably in the city?A. It incurs a high environmental price. B. It brings poverty and insecurity to an end. C. It causes a big change in peoples lifestyle. D. It narrows the gap between city and country.60. W

11、hat can be done to minimize the negative impact of urbanization according to Seto?A. Slowing down the speed of transition. B. Innovative use of advanced technology. C. Appropriate management of the process. D. Enhancing peoples sense of responsibility. Passage 1-2When Harvard student Mark Zuckerberg

12、 launched in Feb. 2004, even he could not imagine the forces it would let loose. His intent was to connect college students. Facebook, which is what this website rapidly evolved into, ended up connecting the world. To the children of this connected era, the world is one giant social network. They ar

13、e not bound as were previous generations of humans by what they were taught. They are only limited by their curiosity and ambition. During my childhood, all knowledge was local. You learned everything you knew from your parents, teachers, preachers, and friends. With the high-quality and timely info

14、rmation at their fingertips, todays children are rising normally tame middle class is speaking up against social ills. Silicon Valley executives are being shamed into adding women to their boards. Political leaders are marshalling the energy of millions for elections and political causes. All of this is being done with social media technologies that Facebook and i