初三英语:短文填空

初三英语:短文填空
If you don't use your arms or your legs for some time, they will become weak. When you start using them again, they will gradually become stronger again. Everybody knows this. Yet many people do not seem to know that it is the __1__ with memory. When someone says that he has good memory, he really means that he __2__ give it enough chance to become stronger.
If a friend says that his arms and legs are weak, we __3__ that it is hies own fault. But if he tells us that he has a poor memory, many of us think that his __4__ are to blame, and __5__ of us know that it is just his own fault.
Have you __6__ found some people can't read or write but usually have __7__ memories? This is __8__ they cannot read or write and they __9__ to remember things; they cannot write them down in a little notebook. They must remember dates, names, songs and stories; so their memory is the whole time being exercised.
So if you want a good memory, learn __10__ these people, practice remembering.
请适当说明理由好么?