完形填空
Many people like to keep dogs as their pets.But do you know dogs were wild
(野生的)animals long,long ago?
The(1)wild dogs were trained by(2)in Europe about 10 000 years ago.
These first“dogs”were not like(3)we have now.They may have been smallwolves.These dogs often came near humans to(4)some food.Some of the
young dogs were adopted(收養(yǎng))by people and grew up with them.
Humans believed the(5)were a help to them in many ways.The dogs helped them to hunt(狩獵).
They could smell and hear danger(6)people could.They helped keep people(7)on cold nights.So it was(8)to raise the dogs.
Now,there are many different kinds of dogs(9)they may look quite different
from each other.Dog trainers think there are more than 400 different kinds in
the world.The number keeps increasing with new kinds.
Since those early days,humans and dogs have always been together.We
should(10)them from now on because they are really our friends. |