在我国冶金材料中的专业术语“WZ”是（）的标号。 A.耐火度 B.高温抗折强度 C.

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).

小题1:________ Things
Little dogs	小题2:________ is bad for them and they can’t eat it.
A snail	It may sleep for 小题3:_______ years, but we sleep小题4:_______ hours at a time.
Our eyes	The size of the eyes doesn’t小题5:________.
Honey	It doesn’t go 小题6:_______ at any time.
小题7:______	It can live for nine or ten小题8:________ without the 小题9:________.
Birds	Most birds are good at 小题10:________ but some can’t.