【正文】 dozen other researchers piled current data on fire39。t normally see fires, where there are more fires and where there are more frequent fires. And we are going to have to figure out where those differences are going to be and how we39。s lead author, Jennifer Balch, a researcher with the National Center for Ecological Analysis and Synthesis in Santa Barbara, California. What we39。s main mission is to deliver a new Soyuz capsule for use as an escape vehicle if needed. Mark Shuttleworth is also to conduct experiments on how animal stem cells react in zero gravity. He is the first African to go into space and has been dubbed the Afronaut by many back home. News Item 3 40 years after man landed on the moon, and 39 years after Lovell returned to Earth, NASA plans to retire the Space Shuttle in 2010. It is the only vehicle NASA has to carry astronauts into space. At the Marshall Space Flight Center in Huntsville, Alabama in late July, NASA held meetings with an independent review panel（獨立評審委員會） missioned by President Barack Obama to evaluate the future of manned space flight（載人航天飛行）.Part of the meeting focused on the next generation spacecraft that would replace the Space Shuttle Orbiter (航天飛機軌道器). NASA is developing the Constellation program（星座計劃）, a beefedup Apollolike initiative. It uses a rocket, called Ares, to put a singleuse spacecraft, called the Orion, into orbit, and eventually back to the moon.Another option favored by the presidential panel is extending the life of the Space Shuttle through 2014, keeping it flying missions until a new spacecraft is ready for flight. The panel is also reviewing an extension to the proposed life（擬用年限） of the International Space Station, currently scheduled to end its mission by 2015.A: Directions: Listen to the news item and plete the summary. This news item is about NASA’s plan about the future of manned space flight.B: Directions: Listen to the news again and answer the following questions.1. NASA plans to retire the Space Shuttle in 2010.2. NASA held meetings with an independent review panel missioned by President Barack Obama to evaluate the future of manned space flight.3. Part of the meeting focused on the next generation spacecraft that would replace the Space Shuttle Orbiter.4. The Constellation program is a beefedup Apollolike initiative. It uses a rocket, called Ares, to put a singleuse spacecraft, called the Orion, into orbit, and eventually back to the moon.5. Another option favored by the presidential panel is extending the life of the Space Shuttle through 2014, keeping it flying missions until a new spacecraft is ready for flight.6. The panel is also reviewing an extension to the proposed life of the International Space Station, currently scheduled to end its mission by 2015.Section Four Supplementary ExercisesPart 1 Feature ReportResearchers call for creation of fire scienceAn international group of researchers is calling for the creation of a separate scientific discipline devoted to the study of fire. The scientists say there39。s main mission is to deliver a new Soyuz capsule to be kept at the space station for use as an escape vehicle if needed. Mark Shuttleworth is also to conduct experiments on how animal stem cells react in zero gravity. The space tourist39。s what it is, probably won39。 support successful transitions to mainstream schools, job training, and employment。s ine from private pensions or other sources. B：Sentence Dictation Directions: Listen to some sentences and write them down. You will hear each sentence three times. C：Detailed Listening Directions: Listen to the passage and choose the best answer to plete each of the following sentences. 8. DD：Afterlistening Discussion Directions: Listen to the passage again and discuss the following questions. 1. Bowers and Gross say their goals as foster grandparents are to serve as role models。 teach respect with language and dress。ll likely invoke a range of reactions. Some think of retirement as a rite of passage（人生大事）, others as a time to relax. The cynical * may view it as a point beyond which one can no longer contribute to society. This is far from the truth! Seniors today are better educated, healthier, and more vivacious than at any time in our nation39。s still a very small proportion of mothers who are now choosing to have their babies at home at the moment and the birthing unit is set up as a bedroom and a kitchen and the woman can actually walk around in fort and just pretend it39。t think so, no, it doesn39。re a midwife} ... I know it would be quite ideal but the risk of something going wrong and if I was to lose that baby I think that I would be quite devastated. Aren39。s like a home in the hospital? Yeah, it39。s new Retail Merchants Association are determined to work together to keep the heart beating to revitalize（使。s downtown shopping area. Because we39。s Chamber of Commerce （商會）, highway construction over the past several years changed that. Being just 65 kilometers away from a big city like Nashville, Mr Hamilton says, presents another challenge to Dickson39。 they pay monthly dues （月繳會費） and meet periodically to suggest and discuss creative ways of attracting more shoppers to downtown. Mr. Williams says one idea is creating events modeled on the annual Christmas parade through the downtown area that attracts a large number of city residents. Free refreshments （茶點，小吃） and giveaways （免費樣品）will be p