英语：If you dream of becoming a spaceman when you g____ up ,get started now!A spaceman n_____ a

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• 英语：If you dream of becoming a spaceman when you g____ up ,get started now!A spaceman n_____ a strong body and keen mind
• 英语：If you dream of becoming a spaceman when you g____ up ,get started now!A spaceman n_____ a
• 英语：If you dream of becoming a spaceman when you g____ up ,get started now!A spaceman n_____ a strong body and keen mind .You still have a long way to g_____ .Do you know what Shenzhou VI spaceman are able to do?Shenzhou VI spaceman are able to l______ upside down .They do this not just during s______,but also when eating and going to the toilet.Before f____ into space,they had lots of p____.Echn upside-down training l____ for many days.They also have
• I have s___(a few)hobbies,such as reading,running,plating soccer and fishing.If you dream of becoming a spaceman when you g_____up,get started now! A spaceman n____a strong body and keen mind. You still have a long way to g___. Do you know what Shenzhou Ⅵ spacemen are able to do? Shenzhou Ⅵ spacemen are able to l____upside down. They do this not just during s____, but also when eating and going to the to.Before f____ into space, they had lots of p__
• 质量均为m的三个带电小球A、B、C放置在光滑绝缘的水平面上，相邻球间的距离均为L，A球带电量qA=+10q；B球带电量qB=+q．若在C球上加一个水平向右的恒力F，如图所示，要使三球能始终保持L的
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