International Space Station什么意思

英语概括内容初一.急.
The international space station (国际空间站) has its first space clown,Guy Laliberte.He is from Canada.He is the CEO of a circus (马戏团).He is a 50-year-old billionaire (亿万富翁).He paid (付钱) 35,000,000 US dollars to travel in space.Laliberte took nine red clown noses into space.They were gifts for the astronauts (宇航员) who work in the international space station.He also did his funny show in space.“I hope my show could make everyone happy.I come here and want to tell everyone to save the water and protect our earth,” he said.He went into space in a Russian4 spaceship on September 30.He traveled with two astronauts.One was from the US and one was from Russia.Laliberte spent 12 days in space.这个.按初一的水平就是把内容用自己的话简短点概括出来.要口试啊.
,,,,英文。= =英语口试。

SAT2 物理题 求解答
求问SAT2的物理题目：
1.The international Space Station is currently under construction. Eventually,simulated earth gravity may become a reality on the space station. What would be the gravitational field through the central axis be like under these conditions?
答案：zero
2. An electric current is applied to a gas discharge tube, causing it to glow.When the discharge is viewed through a spectroscope,which type of spectrum is seen?
答案：Line spectra
3.DeBroglie theorized that all moving objects emit waves(matter waves)based on their momentum (λ=h/mv).Accordingly,as your team's defensive end,it is your job to stop the other team's 250 pound fullback. If you could hear the fullback's matter waves and you listened as the opposing fullback received the ball and accelerated toward you, what sound would you hear?
答案：An increase in loudness and an increase in frequency.
4.A radioactive isotope of iodine has a half-life of 8 hours and causes a counter to register 180 counts/min.Find the count rate for this sample of iodine two days later.
答案：2.8/min
谢谢!