高(💹)中生莫利（海(hǎi )莉·贝(🎱)内特HaleyBennett饰）和母亲莉亚（玛琳(lín )·(🌯)辛科MarinHinkle饰）过着相(xiàng )依为命的生(shēng )活，尽管母亲和父亲离异，但莫利的生活(huó )依旧可以用无忧无虑来形容(🤨)。哎，我(👖)是来看病人(rén )的(de )，病人面都没(mé(💕)i )见(jiàn )着呢，这就要走了，这算怎(🍓)么(🤤)(me )回事啊霍(🚦)靳西，你给我放(🛃)开而曹(cáo )焱兵一眨(🧀)开(🙀)眼看到几天未见的哥哥，高兴得像(xiàng )一只欢快的小鸟，立刻从床上坐了起(qǐ(🦒) )来，紧紧(📏)地(👸)抱(🐖)住了他。武平(🗓)侯夫人也明白过来：可(🕙)是还是(🤞)有些冒(mào )险，弄(nòng )不(bú )好还(🦋)得(🍹)罪了(le )太子妃一(🐟)家。非(♎)常(🧗)有可(🛤)能啊(🐧)，你看是(shì )一群人在(🕛)附(🀄)近，还拿着弓箭，这(zhè )不是打猎(👰)的标准码？男生们激动，但(dàn )是(🙏)表(😛)现的(💒)比(🕐)(bǐ )较内敛，女(🤕)生们则就没有(🕷)顾及了。……(💄)三(sān )位(wèi )上来(🚟)支援(yuán )的上忍一脸尴尬。饭后，两人去了(📖)后面的(👕)地里收拾杂(📛)(zá )草，其实一个漫(🍔)长的(⛳)冬天(🕳)过(🍚)去，地里的杂(zá )草(cǎo )已经枯(🏍)(kū(👲) )死，砍(🌘)起来一点不费劲(⛅)，只是翻地(🛍)可(💟)能有点难。Wheredidwecomefrom?Whatmakesushuman?Anexplosionofrecentdiscoveriesshedslightonthesequestions,andNOVAscomprehensive,three-partspecial,BecomingHuman,examineswhatthelatestscientificresearchrevealsaboutourhominidrelatives.Part1,FirstSteps,examinesthefactorsthatcausedustosplitfromtheothergreatapes.TheprogramexploresthefossilofSelam,alsoknownasLucysChild.PaleoanthropologistZerayAlemsegedspentfiveyearscarefullyexcavatingthesandstone-embeddedfossil.NOVAscamerasaretheretocapturetheunveilingoftheface,spine,andshoulderbladesofthis3.3million-year-oldfossilchild.AndNOVAtakesviewersinsidetheskulltoshowhowourancestorsbrainshadbeguntochangefromthoseoftheapes.Whydidleapsinhumanevolutiontakeplace?FirstStepsexploresaprovocativebigideathatsharpswingsofclimatewereakeyfactor.