Ifyoudonotuseyourarmsoryourlegsforsometimetheybecomeweak;whenyoustartusingthemagaintheyslowlybecomestrongagain.Everybodyknowsthat._51___.
__52___hereallymeansthathekeepshismemoryinpracticebyusingit.Whensomeoneelsesaysthathismemoryispoorhereallymeansthathedoesnotgiveitenoughchancetobecomestrong.
Ifafriendsaysthathisarmsandlegsareweakweknowthatitishisfault._53__manyofusthinkthathisparentsaretoblame(受指责)andfewofusknowthatitisjusthisownfault(过错).
_54__buttheyhavebettermemories?Thisisbecausetheycannotreadorwriteandtheyhavetorememberthings;theycannotwritethemdowninalittlenotebook.__55___;sotheirmemoryisthewholetimebeingexercised.
A.Butifhetellsusthathehasapoormemory
B.Theyhavetorememberdaysnamessongsandstories
C.theywillbecomestronger
D.Don'tlearnhowtoreadandwriteifyouwanttohaveabettermemory.
E.Haveyoueverfoundthatsomepeoplecan'treadorwrite
F.Yetmanypeopledonotseemtoknowthatmemory(记忆力)worksinthesameway.
G.Whensomeonesaysthathehasagoodmemory