Do you like dogs? Do you know the following things about dogs?
The first pet dog
Dogs are meat-eating animals. They belonged to the family of wolves (狼) a long time ago. About 15,000 years ago, people started keeping wolves for hunting (狩獵). Over the time, the wolves began to look like dogs and they became people’s pets.
What a dog looks like
Dogs come in different sizes, colors and shapes, but they’re the same in some ways. All kinds of dogs have a set of forty-two strong teeth for eating. They have sharp claws (利爪) at the end of their feet for digging up soil (挖土) and holding onto the ground when they walk. They have very good eyesight. They also have high ability (能力) to hear and smell.
How a dog grows
A mother dog gives birth to one to twelve babies at a time. New-born baby dogs cannot see or hear until they are two weeks old. The mother dog gives the baby dogs milk. When they are four weeks old, they start eating soft food. When they’re eight weeks, the baby dogs have very strong legs and they can go for long walks.
How to read a dog’s feelings
Dogs act differently when they have different feelings. When a dog is angry, it opens its mouth and shows its teeth. When a dog is frightened, it lowers its ears and holds its tail (尾巴) between its legs. A happy dog always wags (搖擺) its tail.
根據短文內容，選擇最佳答案。（10分）
小題1:People have started keeping dogs as pets since
.
| A．there were humans |
| B．15,000 years ago |
| C．there were wolves |
| D．the wolves looked like dogs |
小題2:What can the sharp claws of dogs be used for according to the passage?
| A．Climbing a tree. |
| B．Looking for food. |
| C．Digging up soil. |
| D．Fighting against other animals. |
小題3:When does a dog start to eat soft food?
| A．When it’s 2 weeks old. |
| B．When it’s one month old. |
| C．When it’s 2 months old. |
| D．When it’s 8 months old. |
小題4:What does a dog do when it is frightened?
| A．It opens its mouth. |
| B．It shows its teeth. |
| C．It wags its tail. |
| D．It holds its tail between its legs. |
小題5:What does the passage mainly tell us?
| A．Some facts about dogs. |
| B．The history of dogs. |
| C．Something interesting about dogs. |
| D．Dogs are human beings’ friends. |
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