Satellites2课件
日期：2010-06-18 06:44
Satellites
ByTang Yi
Presentation
Tape
Questions
Summary
Retell
Exercises
Shen Zhou
What was carried up into space on Oct 15th， 2003?
Shen
Zhou
Ⅴ
What is a satellite?
A satellite is an object， either natural or man-made， which travels in an orb，
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