学进去

阅读并判断，用T或F表示。
There are a lot of signs in the park. They are public signs. They mean different things. The sign on the wall means ‘Danger’! It means we can’t go in. We should stay away from it. The sign on the grass means ‘Keep off the grass’. It means we shouldn’t walk on the grass. The sign on the birds’ cage is interesting. It means we shouldn’t make noise here. I know a lot about public signs.
(    ) 1. There are a lot of signs in the zoo.
(    ) 2. These signs mean the same things.
(    ) 3.’Danger’means you should stay away from it.
(    ) 4.’Keep off the grass’ means we should walk on the grass.
(    ) 5.The sign on the birds’ cage is not interesting.