短文填空Yanchengisacityinthen____ofjiangsu.
manyendangeredbirdsinthefutIt'sfamousforitswetlands.Thebiggestwetlandtherehasana____ofmorethan450,000hectares.It'saperfects____formanyendangeredbirds.Thereare590kindsofinsectsand490kindsofp____inthewetland.Theyp_____birdswithenoughfood.Asmanyas379kindsofbirdslivethere,i_____red-crownedcranes.Everywinter,upto1,200red-crownedcranesstaythere.Wetlandsarenotonlyhomesforbirdsandanimals,theycanalsop_____disasters.Fore_____,whenthereistoomuchrain,wetlandscanholdwater.Thentherewillbefewerf______.Scientistssaywemustprotectourwetlands.Ifwedon't,itwillbei______toseemanyendangeredbirdsinthefurture.