任务三:从以上三个自然奇观中任选一个,完成下面的短文框架,使它变成一篇通顺的倡议保护环境的短文。可借用前文词汇,语句通顺、符合题意即可。
1. I would like to choose .
2. It is very important because .
3. It faces a big problem. That is .
4. How can we protect it? (plant more trees/build protection areas/save groundwater)
First, we can .
Second, we can .
5. It's our duty to protect it, and we must !

1. the Yellow River
2. it is our mother river, and it provides water for millions of people and farms nearby
3. it is badly polluted and the water in it is becoming less and less
4. 第一空：plant more trees along the river to hold the soil
第二空：build special protection areas to stop people from polluting it
5. make our effort to protect it from now on

本题为开放性情景写作填空题，要求任选一个自然奇观，围绕环境保护主题完成短文，语法符合七年级英语学习要求、语句通顺、贴合环保倡议主题即可，以下以选择黄河作为描写对象给出参考示例。

第一节 完形填空
My Summer Adventure Diary
July 15, 2025, Sunny and hot
Dear Diary,
Today I 1 a real desert for the first time! It's called Badain Jaran Desert in Inner Mongolia. It is the third largest desert in China. Sand is everywhere!
We climbed Bilutu Peak(必鲁图峰). It is the world's tallest sand dune. People call it “Dune Qomolangma” because of its great 2. My legs were tired, but the view was amazing.
Then we went to Boor Tolgei. We slid down the sand slope and heard a 3 sound. It sounded like thunder. The guide said this is the world's largest singing sand area. I never knew sand could sing!
We also found a 4 in the desert! Its name is Badain Lake. It is full of fresh water. The water was much 5 than I thought. I could see my face in it.
July 22, 2025, Sunny with sea breeze
Dear Diary,
After the desert, we flew to Hainan! We drove on the new round-island highway. The road goes all the way 6 the island. It is almost 1,000 kilometers long.
The 7 were more beautiful than any picture. Blue water, white beaches, green hills. We stopped at many small villages.
At night, we watched stars near Mulan Bay. A kind grandma has a small shop there. She said before the highway opened, 8 visitors came, but now they all come to watch stars.
August 1, 2025, Cool and cloudy
Dear Diary,
Now I'm back home. My town is small, with hills and a clean river. Everything looks the same, but I see it 9 now.
My town is quieter than the desert and smaller than Hainan. But it has its own beauty. The water in our river is just as clean as the desert lake.



Nature is full of wonders. We must 10 them for the future.
()1. A. heard B. saw C. enjoyed
()2. A. height B. width C. length
()3. A. clear B. low C. loud
()4. A. lake B. sea C. river
()5. A. dirtier B. cleaner C. colder
()6. A. from B. into C. around
()7. A. landscapes B. foods C. people
()8. A. many B. few C. some
()9. A. quickly B. differently C. happily
()10. A. protect B. forget C. change

1-5 BACAB 6-10 CABBA

我们逐空结合上下文语境分析选项：
1. 第1空：句意为“今天我第一次亲眼见到了真正的沙漠”，A.heard（听到）不符合语境，C.enjoyed（享受）不符合第一次接触沙漠的语境，选B.saw（看见）最合理。
2. 第2空：前文提到这是世界最高的沙丘，被称为“沙丘珠峰”，珠峰以高度闻名，所以是因为它惊人的高度，选A.height（高度）。
3. 第3空：后文描述这个声音听起来像雷声，雷声是很响亮的，A.clear（清晰的）、B.low（低沉的）不符合雷声的特征，选C.loud（响亮的）。
4. 第4空：后文直接点明它的名字是Badain Lake，说明在沙漠里发现的是湖泊，选A.lake（湖）。
5. 第5空：后文提到“我能在水面上看到自己的脸”，说明水非常干净，比预想的更洁净，选B.cleaner（更干净的）。
6. 第6空：前文提到这是环岛公路，公路是环绕整个岛屿修建的，go around the island表示“环岛、绕岛一周”，选C.around。
7. 第7空：后文描述的蓝水、白沙滩、青山都属于自然风光，A.landscapes（风景）符合语境，B.foods（食物）、C.people（人）和后文描述内容不匹配。
8. 第8空：句中but表转折，说明公路开通之后游客很多，那么公路开通之前几乎没有游客，few表示“几乎没有”，符合语境，选B。
9. 第9空：作者经历了旅行看过不同的自然景观之后，回到家乡，看待家乡的方式和之前不一样了，B.differently（不同地）符合语境。
10. 第10空：句意是大自然充满奇观，我们必须为了后代保护这些自然奇观，A.protect（保护）符合主旨。