外星人

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