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 !

参考示例：
1. the Yellow River
2. it is our mother river, and it offers plenty of water for people and farmland around it
3. the water is badly polluted and the environment nearby is getting worse
4. First, we can plant more trees along the river to keep the soil in place
Second, we can build protection areas for it and save groundwater to make the river keep running
5. make our effort to protect it from now on

本题为开放性环保主题写作框架填空题，可任选一处熟悉的自然奇观，结合题干给出的提示词汇，写出语法正确、表意通顺、符合倡议环保主题的内容即可，答案不唯一，以下选取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.B 2.A 3.C 4.A 5.B 6.C 7.A 8.B 9.B 10.A

我们可以结合上下文语境逐一分析每个空：
1. 第1空：句意为“今天我第一次亲眼见到了真正的沙漠”，heard意为“听到”，enjoyed意为“享受”，只有saw（看见）符合语境，选B。
2. 第2空：前文提到必鲁图峰是世界最高的沙丘，被称为“沙珠峰”，这是因为它的高度，height意为“高度”，width（宽度）、length（长度）不符合，选A。
3. 第3空：后文提到这个声音听起来像打雷，说明声音很大，loud意为“响亮的、大声的”，clear（清晰的）、low（低的）不符合，选C。
4. 第4空：后文直接给出它的名字是Badain Lake，说明我们在沙漠里发现了一处湖泊，选A。
5. 第5空：后文提到“我可以在水里看见自己的脸”，说明水比我想象的干净很多，cleaner意为“更干净的”，dirtier（更脏的）、colder（更冷的）不符合，选B。
6. 第6空：前文提到这是环岛公路，说明这条路环绕整个岛屿，around意为“围绕、环绕”，from（来自）、into（进入）不符合，选C。
7. 第7空：后文描述了蓝的海水、白的沙滩、绿的山，这些都是风景，landscapes意为“风景”，foods（食物）、people（人）不符合，选A。
8. 第8空：后文转折说现在很多游客来这里看星星，说明公路开通之前几乎没有游客，few意为“几乎没有”，many（很多）、some（一些）不符合，选B。
9. 第9空：句意为“一切看起来都和以前一样，但是现在我用不同的眼光看待它”，differently意为“不同地”，quickly（快速地）、happily（开心地）不符合，选B。
10. 第10空：句意为“大自然充满了奇观，我们必须为了未来保护它们”，protect意为“保护”，forget（忘记）、change（改变）不符合，选A。