阅读理解。 读短文，判断正（T）误（F）。 One day, Tom and his father go out for a walk. Suddenly they see a big brown dog. The dog begins to bark(汪汪叫). Tom is afraid. He wants to run home. His father says: “Don’t be afraid, Tom. Don’t you know the saying(谚语), a barking dog does not bite(咬人)? 'Oh, yes,' said Tom, 'I know the saying, you know the saying, but does the dog know the saying?' (     )1. Tom and his father go home one day. (     )2. They see a big dog barking. (     )3. Tom isn’t afraid of the dog. (     )4. tom wants to run home. (     )5. The dog knows the saying, too.