小xiǎo立lì喜xǐ歡huɑn看kàn科kē幻huàn雜zá志zhì，他tā對duì外wài星xīnɡ人rén很hěn好hào奇qí又yòu覺jué得de很hěn可kě怕pà，整zhěnɡ天tiān胡hú思sī亂luàn想xiǎnɡ。晚wǎn上shɑnɡ他tā睡shuì不bù好hǎo覺jiào，上shànɡ課kè時shí總zǒnɡ是shì打dǎ瞌kē睡shui。同tónɡ桌zhuō小xiǎo丁dīnɡ知zhī道dào了le，對duì他tā說shuō了le

Many scientists believe that alien civilisations exist.So lets imagine that we suddenly stand face-to-face with members of an alien species. What would we do first？Surely communicating that we come in peace would be a priority. Bu