8．
阅读下面短文，在空格处填入一个适当的词或者使用括号中词语的正确形式填空。
Dogs are
very popular pet. Most of them just live with their families. But some dogs have very special jobs (do). A group of dogs (know) as "Therapy Dogs".
These dogs are family pets with special training, allows them to go into public buildings
and comfort people
need. The dogs are trained to be calm and quiet. Loud noises and unfamiliar
places don't frighten them. They enjoy spending time with people.
Some therapy dogs
go into places, such as hospitals and nursing homes. When the dogs visit the
patients, the patients are cheered up. They have fun (pet) the dogs and look forward to
their visits. The dogs help to brighten their day. Therapy dogs can improve
people's health as well. Studies show that when people pet animals, their blood
(press) and heart rates go down. They are calmer and (they) mood improves.
Other therapy dogs
work in schools and libraries. They serve as warm and caring (friend) to children, but they also do
(much). In one town in California,
therapy dogs have become children's reading buddies. The dogs make a great
audience. The children look forward to reading to the dogs, and the dogs love
the attention.
