The world we live is full of amazing things. Do you know the following things?
Chocolate tastes nice but it may make the little dog die.
We may sleep for eight hours at a time but a snail (蜗牛) may sleep for three years.
Our ears and nose become bigger when we grow up but eyes keep the same after a person is born.
Food usually goes bad easily in summer but you don’t need to worry about how to keep honey (蜂蜜) because honey doesn’t go bad.
Most animals will die soon without the head. But a cockroach (蟑螂) can live for nine or ten days without the head.
Not all birds can fly. About forty kinds of birds can’t fly, like the penguin (企鹅) and the ostrich (鸵鸟).

________ Things
Little dogs	________ is bad for them and they can’t eat it.
A snail	It may sleep for _______ years, but we sleep_______ hours at a time.
Our eyes	The size of the eyes doesn’t________.
Honey	It doesn’t go _______ at any time.
______	It can live for nine or ten________ without the ________.
Birds	Most birds are good at ________ but some can’t.