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四、阅读表达(共10小题;计10分)
A. 补全短文 根据短文内容,从短文后的A—F选项中,选出5个适当的选项补全短文。(共5小题;每小题1分,计5分)
We humans can express emotions by telling others how we feel — but what about animals? 1
It's very hard for us to assess(评估) emotions in animals, because they cannot tell us how they feel. 2
Another example of animal behavior that is linked to emotions is vocalizations(发声), which can show stress. 4
It seems that animals react to their environments much as humans do. So, we can infer that animals can feel emotions. 5
A. We know this is true for humans, too.
B. It is hard to tell whether they experience emotions.
C. Animals show these characteristic facial expressions as well.
D. Animals' facial expressions directly reflect their inner emotions.
E. But if emotional things happen, they cause changes in several ways.

F. This might encourage us to rethink the environments of keeping them.
A. 补全短文 根据短文内容,从短文后的A—F选项中,选出5个适当的选项补全短文。(共5小题;每小题1分,计5分)
We humans can express emotions by telling others how we feel — but what about animals? 1
B
If they do, which ones? Over the past 20 years, researchers have made great progress in this field.It's very hard for us to assess(评估) emotions in animals, because they cannot tell us how they feel. 2
E
The most easily noticeable reaction of an animal to an event is how it changes its behavior. Humans often change facial expressions and body languages depending on whether we experience a pleasant event or not. 3 C
For example, changes in the ear position or the amount of the white of the eyes can show different levels of pain or fear in animals. It is important to remember that the facial expressions of animals usually look different from those of humans — joy might not be shown by a smile, while sadness may not be shown by tears.Another example of animal behavior that is linked to emotions is vocalizations(发声), which can show stress. 4
A
Imagine you are singing a song in front of many people; your voice might be shaking if you are nervous. Researchers have found that the vocalizations of pigs and cows also change and get less smooth when these animals are under stress.It seems that animals react to their environments much as humans do. So, we can infer that animals can feel emotions. 5
F
If we can better understand how animals react to their environments, we can improve these environments as well as human — animal relationships.A. We know this is true for humans, too.
B. It is hard to tell whether they experience emotions.
C. Animals show these characteristic facial expressions as well.
D. Animals' facial expressions directly reflect their inner emotions.
E. But if emotional things happen, they cause changes in several ways.
F. This might encourage us to rethink the environments of keeping them.
答案:
1.B 2.E 3.C 4.A 5.F
B. 完成图表 根据短文内容,完成图表中所缺信息。(共5小题;每小题1分,计5分)
Fire is common nowadays! No one knows exactly how or when our ancestors first used and learned to control it, but it clearly changed the world.
Experts think that over 400 000 years ago, early humans might have seen lightning start a fire or perhaps someone rubbed(摩擦) two rocks together and the sparks that flew out caused grass to start burning. Either way, fire quickly became very important to human life.
With fire, humans could explore colder places without being limited by the need for warmth. Fire helped early humans survive(生存) by making it easier to live in difficult environments. Our bodies gradually changed, losing their thick hair because fire can necessarily keep us warm. This change allowed us to hunt during the hottest parts of the day when animals were resting and easier to catch.
Fire also had a deep influence on our social lives. The light that fire provided made people able to stay up later, giving them time to make tools, clothing, and other necessities. It also provided a chance for sharing stories and becoming closer. Before fire, people slept high in trees, but the warmth of the fire drew them together in small groups, which strengthened their relationships.
When meat was accidentally dropped into a fire, humans discovered cooking. Cooked food is softer and gives us more nutrients(营养), which helped our ancestors grow taller and develop bigger brains. Cooked food is softer, so people's teeth became smaller. People became bigger and began living longer.
Through history, people have found many ways to use fire. Artists would use burnt sticks to draw on cave walls, potters found that heating clay made pots more lasting. Even today, farmers continue to use fire to clear fields and prepare the land for planting.
In the late 1700s, people discovered that boiling water produced steam, which was later used to power steam engines. This led to the development of steamships and steam trains, developing transportation.
In a word, from its beginning to its many creative uses, fire has played an important part in shaping our world.
* Making humans lose thick hair due to its 7

* Fire drew people together, leading to their 8


Fire is common nowadays! No one knows exactly how or when our ancestors first used and learned to control it, but it clearly changed the world.
Experts think that over 400 000 years ago, early humans might have seen lightning start a fire or perhaps someone rubbed(摩擦) two rocks together and the sparks that flew out caused grass to start burning. Either way, fire quickly became very important to human life.
With fire, humans could explore colder places without being limited by the need for warmth. Fire helped early humans survive(生存) by making it easier to live in difficult environments. Our bodies gradually changed, losing their thick hair because fire can necessarily keep us warm. This change allowed us to hunt during the hottest parts of the day when animals were resting and easier to catch.
Fire also had a deep influence on our social lives. The light that fire provided made people able to stay up later, giving them time to make tools, clothing, and other necessities. It also provided a chance for sharing stories and becoming closer. Before fire, people slept high in trees, but the warmth of the fire drew them together in small groups, which strengthened their relationships.
When meat was accidentally dropped into a fire, humans discovered cooking. Cooked food is softer and gives us more nutrients(营养), which helped our ancestors grow taller and develop bigger brains. Cooked food is softer, so people's teeth became smaller. People became bigger and began living longer.
Through history, people have found many ways to use fire. Artists would use burnt sticks to draw on cave walls, potters found that heating clay made pots more lasting. Even today, farmers continue to use fire to clear fields and prepare the land for planting.
In the late 1700s, people discovered that boiling water produced steam, which was later used to power steam engines. This led to the development of steamships and steam trains, developing transportation.
In a word, from its beginning to its many creative uses, fire has played an important part in shaping our world.
* Making humans lose thick hair due to its 7
warmth
* Fire drew people together, leading to their 8
stronger relationship(s)
.
答案:
6.mystery 7.warmth / heat 8.stronger relationship(s) 9.physical 10.farming
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