5．
阅读下面短文，从各题所给的A、B、C、D四个选项中选出能填入文章中相应空白处的最佳答案。
As everyone knows, animals are our friends.
Of all the animals, we find that dogs are friendly to 1.
Dogs are always staying 2 human
beings. They are in different colors and 3.
There are different kinds of dogs, too. Hunting dogs can 4 people
get more prey(猎物). The seeing-eye dogs can help 5 people
a lot. The police dogs can help the police.
Today it is 6 to
imagine life without dogs. Maybe everyone is happy to see dogs. Dogs are good at
7 and smelling. Some dogs can find the people who
are trapped (困) 8 the
broken houses. Some dogs can help take care of the houses of their owners (主人). 9 someone strange comes close to the house, they
will bark to frighten (吓唬) him. Even some dogs can help
look after small kids when their 10 are not at home.
In a word, dogs are our best friends among all
animals.
