Step By Step(英语听力入门)3册答案

Step By Step 2000 Book3 UnitOlUnit 1 World News Up in SpacePart I Warming up1.Endeavor has docked with the ISS.What for?To provide electricity for science experimentsWhen will the U.S.laboratory arrive?Next month2.What does ISS have now?A living room and a command center3.What has been declared by NASA?Pathfinders 30-day mission on Mars is a 100 percentsuccess.4.Who has given up its hope of reviving Pathfinder?NASAWhen did Pathfinder make its last transmission ofscientific data from Mars?At the end of September,83 days after its landing5.Why is Galileo heading for another pass by Jupitersmoon IO on Thursday?To get a closer look at the most volcanic body in solarsystem6.What is the daunting task for the crew of Atlantis?To deliver NASAs$1.4 billion space lab Destiny to theInternational Space Station7.What is the purpose of the experiments conducted byastronauts on Columbia?To confirm a theory that particles in space tend to attracteach other and form dust clouds8.What is Endeavor preparing to do on Monday?To return home at the Kennedy Space Center aftercompleting repairs on the Hubble Telescope9.Why has Columbia returned to Earth after anabbreviated stay in space?Because of a mechanical problem10.What is Discovery doing now?And its crew?Discovery is playing chase with the Hubble Telescopenow.Its crew is setting up housekeeping and recovering fromthe effects of weightlessness.Tapescript:1.U.S.space shuttle Endeavor has docked with theInternational Space Station,bearing a gift of energy.Thefive-man shuttle team arrived to add a set of giant solarpower panels to Unity to provide electricity for scienceexperiments that will begin soon after the U.S.laboratoryarrives next month.2.The International Space Station finally has a livingroom and a command center.The Russian Zvezdamodule docked earlier today with the fledgling outpost,which is being assembled in space.After a checkoutperiod,it will be ready for the first crew to live in laterthis year.3.The U.S.Space Agency NASA has declared itsPathfinder spacecraft mission to Mars a 100 percentsuccess.This week the Pathfinder completed its 30-dayplanned mission on Mars.A U.S.space official says thisspacecraft has fulfilled all its objectives.4.The United States Space Agency NASA says its givenup any real hope of reviving its space probe on Mars.The spacecraft Pathfinder made its last transmission ofscientific data from the surface of Mars at the end ofSeptember,83 days after landing.5.The U.S.Galileo spacecraft is heading for anotherpass by Jupiters fiery moon IO Thursday to get a closerlook at the most volcanic body in our solar system.Apass just 600 kilometers away last month has provided abetter understanding of just how active it is.6.It could be a mission-impossible-type assignment forthe crew of the space shuttle Atlantis.Theyve got thedaunting task of delivering NASAs$1.4 billion spacelab Destiny to the International Space Station.If theypull it off,the 15-ton lab will put NASAs flightcontrollers in charge.Until now Russian controllers havedirected operations at the station.7.Astronauts on the U.S.space shuttle Columbia haveconducted experiments to confirm a theory that particlesin space tend to attract each other and form dust clouds.8.The U.S.space shuttle Endeavor is preparing to returnhome in triumph after completing repairs on the HubbleTelescope.The Endeavors scheduled to land Monday atthe Kennedy Space Center on Floridas Atlantic coast,returning to the site where the mission began eleven daysago.9.The U.S.space shuttle Columbia has returned to Earthafter an abbreviated stay in space because of amechanical problem.The Space Agency ordered theshuttle back to Earth after one of the three powergenerators failed Sunday.The generators called fuelcells provide all of shuttles electrical power,and NASAsafety rules require the space ship to return to Earth ifany fuel cell fails.10.Discovery is playing chase with the Hubble SpaceTelescope right now.The shuttle launch was nearlyperfect according to mission managers,and the crew ofseven astronauts is setting up housekeeping andrecovering from the effects of weightlessness.Part II News reportsEvent:NASAs 12-year program of Mars Starting time:1996 Finishing time:2008First installment:n Names of spacecraft:the Mars Global Surveyor Orbiter/the Pathfinder LanderArrival time:1997Mission:To collect and analyze rocksSecond installment:Names of spacecraft:the Polar Lander/the MarsClimate OrbiterLaunch time:DecemberArrival time:Next DecemberMission:a.To inspect for subsurface waterb.To measure the distribution of water vapor,dust andcondensatesGrand finale:Launch time:2005 Return time:2008 Mission:To return soil and rock samples to EarthTapescript:Of all the U.S.and Russian spacecraft that have traveledto Mars since the 1960s,the Polar Lander is to be thefirst to touch down near the planets south pole.TheLander and a companion orbiting craft called the MarsClimate Orbiter,launched in December,are the secondinstallment of a 12-