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NASA’s Goddard Space Flight Center in Greenbelt, Maryland has been given the nod to lead a robotic lunar mission in 2008—a key step in President George W. Bush’s recently announced space vision strategy. The lunar reconnaissance orbiter would likely be geared to investigate the potential for water ice trapped at the Moon’s poles. This type of investigation may involve powerful radar to scan the always darkened craters, thought by some scientists to contain bountiful quantities of water ice.
Water ice is believed to have been brought to the Moon by impacting comets. Both NASA’s Lunar Prospector and the Pentagon’s Clementine spacecraft offered tantalizing data interpreted by some experts as indicative of water ice deposits.
A number of alterative, fast-track approaches are under review at the Goddard Space Flight Center (GSFC) to build the lunar orbiter. A newly formed GSFC lunar study team held their first meeting Thursday to begin scoping out how best to move the project forward.
President Bush has directed NASA to undertake lunar exploration activities to enable sustained human and robotic exploration of Mars and more distant destinations in the solar system. Starting no later than 2008, the Bush plan calls for initiating a series of robotic missions to the Moon to prepare for and support future human exploration activities. A follow-on robotic lunar lander is also slated for 2009. The White House space directive states that the first extended human expedition to the lunar surface could occur as early as 2015, but no later than the year 2020.
In reestablishing and reenergizing NASA’s Moon program, the White House envisions lunar exploration activities to further science, and to develop and test new approaches, technologies, and systems, including use of lunar and other space resources, to support sustained human space exploration to Mars and other destinations.
1. On the robotic lunar mission which is to be led by NASA’s Goddard Space Flight Center, the lunar orbiter ____
2. On the robotic lunar mission, ____ will be explored to search for water ice.
3. According to the third paragraph of the passage, why a newly formed GSFC lunar study team held their first meeting on Thursday?
4. Federal government of the U.S. states in its space directive that ____.
5. One of the purposes of NASA’s Series lunar exploration missions is to ____.

问题1选项
A.would possibly investigate whether there is water ice at the Moon’s pole.
B.would announce the president’s space vision strategy to the whole world.
C.would likely extend human expedition to the lunar surface for the first time.
D.would offer tantalizing data interpreted by some experts as space resources.
问题2选项
A.impacting comets near the Moon
B.the darkened craters on the Moon
C.a robotic lunar lander on the Moon
D.NASA’s Moon program
问题3选项
A.To build the lunar orbiter as soon as possible.
B.To move the NASA’s Moon programs forward.
C.To search for the best approach to build the lunar orbiter.
D.To discuss the scope the lunar orbiter is to explore.
问题4选项
A.the first human landing on the lunar surface would occur no later than 2020
B.the first long-time human expedition to the lunar surface would occur in 2015
C.the first human extended expedition to the moon would occur before 2021
D.the first human survival on the lunar surface would occur no later than 2020
问题5选项
A.further investigate impacting comets that have brought water ice to the Moon
B.scope out how best to move the Pentagon’s Clementine spacecraft project forward
C.prepare for and support Goddard Space Flight Center (GSFC) to build the lunar orbiter
D.develop and test new technologies to support human space exploration to Mars
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