height is just one of the features your genes阅读理解答案

《height is just one of the features your genes阅读理解答案》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、Heightisjustoneofthefeaturesyourgenes阅读理解答案　　Heightisjustoneofthefeaturesyourgenes（基因）decide.Infact,becauseyouhavetwoparents,yourgenesprovideyouaheightthatusuallylandssomewherebetweentheheightofeachparent.Ifbothyourparentsaretall,thenmostprobablyyouwillbetall,too.Butifyouhavequestionsabouthowtall

2、you’regoingtobe,askyourdoctorifheorshecanhelpyoufindthemout.　　Butgenesdon’tdecideeverything.Forexample,eatinganunhealthydietcankeepyoufromgrowingtoyourfullpotential（潜力）.Gettingplentyofsleepandenoughexercisewillhelpyougrowtotheexpectedheight.　　It’snaturalthatyou’rewonderinghowfastyoushouldgrow.The

3、re’snoperfectorrightanswer.Generallyspeaking,kidsgrowabout6cmayearbetweenage3andthetimewhentheystartpuberty.　　Yourdoctorwillknowhowyourgrowthhasbeengoingovertheyears.2cmhereand3cmtheremakealittledifferencetotheheightyou’reatnow.Howhaveyoubeengrowinguptothisheight？Whatotherchangesmayyourbodybegoin

4、gthrough？　　Don’tbeamazedifyouseemtohavegrownalotinaveryshorttime.Everyonehasagrowthspurt（高峰）duringpuberty.Theageforstartingpubertyisabout10forgirlsandabout11forboys.Butitcanbeearlierorlater—between7and13forgirlsand9and15forboys.　　You’llusuallybegintonoticethatyou’regrowingfasteraboutayearafteryou

5、rbodystartstoshowthefirstchangesofpuberty.　　38.Ifyouwanttoknowhowtallyoushouldgrow,_______.　　A.youshouldhaveenoughexercise　　B.youcanaskdoctorsforhelp　　C.youshouldtakesomespecialmedicine　　D.youcanrecordyourgrowthduringpuberty　　39.TheChinesefortheword“puberty”is_______.　　A.童年时期B.婴幼儿时期C.习惯养成期D.生长发育期

6、　　40.Thispassageismainlyabout______.　　A.howthegenesworkinyourbodyB.howyourparents’heightinfluenceyou　　C.howyoulooklikeyourparentsD.howyougrowtoacertainheight　　41.WhichisNOTmentionedinthepassage？　　A.Yourheightmostprobablydependsonhowtallyourparentsare.　　B.Girls’ageforstartingpubertyisusuallyearlie

7、rthanthatforboys’.　　C.Thefeaturesshowingthefirstchangesofpubertybetweenboysandgirlsare　　different.　　D.Youmaybeamazedsometimeswhenyougrowtoofast.　　BDDC