Why is it good to guess information about words before you look them up in a dictionary?

i have my own room. i don't share it with my brother anymore.

my new room is large and light.i have a big bed in it ,a computer table and ,of course, a computer on it ,also there are book shelves ,wardrobe ,drawer,carpet and my favorite toys.

  penguins have got wings but they can't fly-true

1)all animals with sharp teeth can hunt-false

notall animals with sharp teeth can hunt

2)all big animals are dangerous-false

notall big animals are dangerous

3)all wild animals are dangerous-false

limurs aren't dangerous

4)all animals with long  can jump well-false