四、跨学科 地理 短文填空。
主题群:自然生态
子主题:自然景观
语篇类型:说明文
难度:★★★
Have you ever seen those tall pointed mountains that look like something from a fairy tale, or explored huge caves 1. f
ull
of strange shapes? These are part of karst landscapes(喀斯特地貌), a natural wonder that China is famous for.
Karst is a special landform. When rainwater, which is slightly acidic(酸性的), falls on limestone(a type of rock), it 2. s
lowly
breaks down the rock. This process(过程) creates amazing shapes on the surface and underground. In China, you can find some of the most breathtaking karst scenery in the world.
The Stone Forest(Shilin) in Yunnan is a fantastic 3. e
xample
. It looks like a real forest made of stone! Walking 4. t
hrough
it, you will be amazed by the countless stones. Local Yi people even have a famous festival there. 5. A
nother
world-famous site is the South China Karst in Guilin. The landscape there has the feature of green-covered karst hills standing along the beautiful Li River. It is so beautiful that it appears on the 6. b
ack
of the 20-yuan Chinese banknote(纸币). Taking a boat trip along the river is like 7. t
ravelling
through a Chinese painting.
8. B
esides
the beautiful surface views, karst areas also hide unbelievable underground worlds, such as the Reed Flute Cave in Guilin. Inside, you can see so many rocks in unusual shapes-some hang down, and others point upwards. All lit up by 9. c
olourful
lights, red, blue, pink and so on.
These karst landscapes are not just beautiful; they are also valuable for scientific research. However, they face threat(威胁) from too much 10. p
ollution
and tourism. Protecting these natural wonders is very important so that future generations can also enjoy their beauty.