楼主,那个comet scale的SC看着很眼熟,是这个么? Responding to the public's fascination with-and sometimes undue alarm over-possible threats from asteroids, a scale developed by astronomers rates the likelihood that a particular asteroid or comet may collide with Earth. A. a scale developed by astronomers rates the likelihood that a particular asteroid or comet may B. a scale that astronomers have developed rates how likely it is for a particular asteroid or comet to C. astronomers have developed a scale to rate how likely a particular asteroid or comet will be to D. astronomers have developed a scale for rating the likelihood that a particular asteroid or comet will E. astronomers have developed a scale that rates the likelihood of a particular asteroid or comet that may. -- by 会员 liangw (2012/8/16 1:41:45)
是的! |