中国的“南方喀斯特 (South China Karst)”被列入世界自然遗产名录。这些地貌不仅是风景，还记录了地球数亿年的地质演变。它们主要由石灰岩 (limestone) 构成，经过水流长期的侵蚀 (erosion) 形成。
单选1. A disaster ______ happens when there is no rain for a long time is called a drought.
连线2. 将自然灾害与其对应的特征连线。
填空3. The rescue workers names I don't know saved my life.
连线4. Match the photos (descriptions) to the disaster names.
填空5. What is the main rock type that forms Karsts? It is .
单选6. The people ______ houses were destroyed need shelter.
单选7. The tornado ______ hit the town was very powerful.
填空8. We need to find a safe (避难所) during the storm.
单选9. An earthquake of ______ 8.0 is very dangerous.
判断10. Limestone is easily eroded by water.
The Wonders and Dangers of Karsts
Karsts are rock formations made of limestone. They are created over millions of years as water erodes the soft rock, forming caves, sinkholes, and tall towers.
The karsts there provide a lot of exciting opportunities to rock climbers. Many people visit these beautiful places every year.
However, these areas are also prone to landslides when heavy rain hits. Scientists who study these areas help us understand how to protect people from such disasters.
问答1. Would you like to have a go at karst climbing? Why or why not?
Hint: Write your opinion (e.g., Yes, because it is exciting / No, because it is dangerous).
填空2. What natural process creates Karst formations? Water the rock.
单选3. In the text, the word 'who' refers to:
判断4. Karsts are made of limestone.
Step 1: Sentence Construction
Unscramble the sentence below: 连词成句：请将下方的单词重新排列组合成正确的句子。
terrible
hit
which
tornado
The
the
town
was
Step 2: Guided Story
根据提示完成关于自然灾害的短文（共10空）。
Last night, a terrible (1) hit our town.
The wind, (2) was extremely strong, destroyed many buildings.
It was a huge natural (3) .
My family and I quickly ran to a safe (4) .
We stayed there with other people (5) were also very scared.
Luckily, we all (6) the storm.
We waited in the dark until this morning. Now, the brave (7)
(8) are here.
They are helping the people (9) houses were broken.
We are finally (10) .
High-Scoring Sample / 高分范文
Last night, a terrible tornado hit our town. The wind, which was extremely strong, destroyed many buildings. It was a huge natural disaster. My family and I quickly ran to a safe shelter. We stayed there with other people who were also very scared. Luckily, we all survived the storm. We waited in the dark until this morning. Now, the brave rescueworkers are here. They are helping the people whose houses were broken. We are finally safe.
Step 3: Look and Write
最终挑战：看图写话，描述一场自然灾害的发生与救援。
1
2
3
4
Task: Write a story about the disaster shown in the pictures.
Use the pictures to write the story in 6-8 sentences:
1. What was the weather like at first? (Picture 1)
2. What natural disaster happened next? (Picture 2)
3. Where did the people go? What did they do? (Picture 3)
4. Who came to help them in the end? (Picture 4) 中文提示 (Hints)
It was a sunny day in our town. Suddenly, the sky turned dark and a huge tornado appeared. The wind was very strong. People quickly ran into an underground shelter. We stayed there together and felt very scared. After the storm passed, we came out. Many houses and trees were broken. Luckily, the rescue workers arrived soon. They helped the people who needed help. We were safe in the end.
Step 4: Theme Writing
Task: Describe a natural disaster you know (like an earthquake or flood).
Write at least 60 words and include:
1. What are the features of this disaster?
2. Use at least one relative clause with who or which/that. 中文提示 (Hints)
An earthquake is a sudden shaking of the ground. It is a natural disaster which can cause great damage to buildings and roads. In 1976, there was a big earthquake in Tangshan. Many people who lived there lost their homes. Nowadays, we have better shelters and rescue teams to help people stay safe during such disasters.