请英语高手帮我点评我的英语四级作文（语法,用词）非常感谢

1：越来越多的博物馆免费对外开放的目的是什么?

2：也会带来一些问题

3：你的看法

FreeAdmissiontoMuseums

Nowadays,moreandmoremuseumsareopenedfreely.Ithaveapurposethatletmorepeople,especiallythestudentsvisitthoseculturalrelicsandknowthedevelopmentofsociety.Itisabeneficialactivity.

Thoughfreeadmissionhavepositiveaspects,itstillhavenegativeaspects.Asmoreandmorepeoplegotothemuseumsforvisiting,itwillleadtotheorderinmess,andpeoplewillnotvisittherelicsnormally.Inaddition,thepublicenvironmentisaseriousproblem,apartofvisitorsalwaysthrowawaytheplasticbottlesandpaperseverywhere.Somanyworkerswhoworkinthemuseumsthinkthatthemuseumsshouldn'topenedfreely.

Formypart,justasthecoinhastwosides,weshouldadmittheadvantagesoffreeadmission,andalsoshouldknowthedisadvantages.Ithinkthemuseumshouldopenfreely,butitcanlimitthequantityofpeopleeveryday.Inaword,thepeoplewhovisitinginthemuseumsshouldprotecttheenvironmentofthemuseumsconsciously.