After an extra day in space,the crew of Discovery returned to Earth,landing at Edwards Air Force Base in California early on Tuesday morning.The shuttle and its crew spent two weeks in space,most of it aboard the International Space Station.It was the first flight of NASA's space?shuttle fleet since February 2003,when the shuttle Columbia came apart while re?entering Earth's atmosphere.?

NASA officials delayed Discovery's return for one day because of cloudy weather in Florida,where the shuttle was supposed to lanD. On Tuesday morning,mission controllers ?directed? Discovery to a landing site in California,where the skies were clear.The crew members will have to wait until Wednesday to see their families when they all meet together in Houston at the Johnson Space Center.?

Discovery had a very busy mission in space,compared to past missions.The space shuttle docked with the International Space Station most of the journey,delivering badly needed ?supplies? and repairing damaged parts.The crew spent a lot of time testing new repair techniques on their own shuttle,conducting three different spacewalks(where astronauts exit the space shuttle to do work outside).On the third spacewalk,astronaut Steve Robinson went underneath the shuttle to remove material sticking out from between the spacecraft's ?protective? tiles.?

There were concerns in the last remaining days of Discovery's mission that a torn heat blanket—another shield against overheating in the space shuttle—may pose a problem to crew members. NASA officials and technicians worked on ways that the crew could fix the problem, but later decided it was not a risk.?

With the shuttle and its crew safely back on firm ground, NASA is hailing this mission, labeled STS?114,as a huge success. “I hope this shows people that we're coming back,” NASA spaceflight chief Bill Readdy said after Discovery's successful landing. “We've got some more work to do. We know what we need to do and we'll do it.?

Which of the following isn't included in the jobs of the shuttle Discovery?

A. Delivering supplies to the International Space Station.?

B. Conducting different spacewalks.?

C. Testing new repair techniques.?

D. Finding the cause why the shuttle Columbia came apart.?

But for the cloudy weather, the shuttle Discovery would have landed_______.

A. in Florida a day earlier     B. in Florida a day later?

C. in California a day earlier D. in California a day later?

Which is the most probable period of time that Discovery was aboard the International Space Station?

A. Six days.    B. Two weeks.?

C. Nine days.  D. Two weeks and an extra day.?

【小題1】D　

【小題2】A

【小題3】C


解析:

【小題1】細節(jié)歸納題。根據(jù)第三段第二句和第三句話可知:尋找“哥倫比亞號”航天飛機解體的原因不在其例。?

【小題2】推測題。根據(jù)第二段第一句反推可知:要不是天氣原因,“發(fā)現(xiàn)號”航天飛機會早一天降落在佛羅里達州。?

【小題3】推測題。根據(jù)短文第一段第二句話和第三段第二句話可知:“發(fā)現(xiàn)號”航天飛機此次飛行的兩個星期中絕大部分時間是�？吭趪H空間站上。由此推斷“九天”最可能。?

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