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【实践篇】
Dialogue: A Weekend in the Valley
Lily: Dad, this valley is so beautiful! The air smells like grass and flowers.
Dad: Yes. Look at those birds by the stream.
Lily: Are they drinking water?
Dad: Not just drinking. They help keep the water clean by eating small insects. Nature has its own way of balancing environment.
Lily: Cool! But I heard some forests are disappearing. Is that true?
Dad: Sadly, yes. Every year, large areas of forest are cut down for farming or building. This affects animals, water, and even the weather. And rivers are polluted.
Lily: That's terrible. What can we do to help?
Dad: Small actions make a big difference. For example, saving paper helps protect trees. Using less plastic keeps rivers clean. Some people don't know how to respect nature, so learning about nature helps us respect it more.
Lily: Like today, we're learning by being here!
Dad: Exactly. And remember, we shouldn't leave any trash behind. It can make nature dirty. We take out what we bring in.
Lily: I'll clean up before we go. I want this place to stay beautiful for the animals and for us too.
Dad: Great. Living with nature means caring for it, not just using it.
任务一:根据对话内容,选择正确答案。
()1. Why are the birds important in the valley?
A. They make the place look pretty.
B. They keep the water clean by eating insects.
C. They sing nice songs for visitors.
D. They build nest in the tree.
()2. What is one problem mentioned about forests?
A. There are too many animals.
B. They are disappearing because of human activities.
C. They make the weather too cold.
D. They grow so slowly to be used.
()3. What does Lily promise to do before leaving?
A. Take some flowers home.
B. Feed the birds.
C. Clean up the trash.
D. Take photos of the birds.
Dialogue: A Weekend in the Valley
Lily: Dad, this valley is so beautiful! The air smells like grass and flowers.
Dad: Yes. Look at those birds by the stream.
Lily: Are they drinking water?
Dad: Not just drinking. They help keep the water clean by eating small insects. Nature has its own way of balancing environment.
Lily: Cool! But I heard some forests are disappearing. Is that true?
Dad: Sadly, yes. Every year, large areas of forest are cut down for farming or building. This affects animals, water, and even the weather. And rivers are polluted.
Lily: That's terrible. What can we do to help?
Dad: Small actions make a big difference. For example, saving paper helps protect trees. Using less plastic keeps rivers clean. Some people don't know how to respect nature, so learning about nature helps us respect it more.
Lily: Like today, we're learning by being here!
Dad: Exactly. And remember, we shouldn't leave any trash behind. It can make nature dirty. We take out what we bring in.
Lily: I'll clean up before we go. I want this place to stay beautiful for the animals and for us too.
Dad: Great. Living with nature means caring for it, not just using it.
任务一:根据对话内容,选择正确答案。
()1. Why are the birds important in the valley?
A. They make the place look pretty.
B. They keep the water clean by eating insects.
C. They sing nice songs for visitors.
D. They build nest in the tree.
()2. What is one problem mentioned about forests?
A. There are too many animals.
B. They are disappearing because of human activities.
C. They make the weather too cold.
D. They grow so slowly to be used.
()3. What does Lily promise to do before leaving?
A. Take some flowers home.
B. Feed the birds.
C. Clean up the trash.
D. Take photos of the birds.
答案
1.B 2.B 3.C
解析
1. 定位对话中爸爸对小鸟的相关描述"Not just drinking. They help keep the water clean by eating small insects."，可以得知山谷里的鸟的重要作用是通过吃小昆虫来维持水体清洁，和选项B内容完全匹配。
2. 定位对话中关于森林的相关内容"Every year, large areas of forest are cut down for farming or building."，可知文中提到的森林问题是：森林因为农耕、建筑这类人类活动正在不断消失，对应选项B。
3. 定位对话里Lily的表述"I'll clean up before we go."，结合前文爸爸提到不能在自然里留下垃圾的内容，可知Lily承诺离开前清理垃圾，对应选项C。
2. 定位对话中关于森林的相关内容"Every year, large areas of forest are cut down for farming or building."，可知文中提到的森林问题是：森林因为农耕、建筑这类人类活动正在不断消失，对应选项B。
3. 定位对话里Lily的表述"I'll clean up before we go."，结合前文爸爸提到不能在自然里留下垃圾的内容，可知Lily承诺离开前清理垃圾，对应选项C。
