Fill in the gaps with the words from the box. Words: natural, limestone, chalk, lava, acid rain, cliff, formation, species, millipede, crab, scorpion, dark, blind, crayfish, crawl, abseil, rafting Our school adventure club trip was the best! We went to a (1) __________ park famous for its amazing rock (2) __________ . The goal was to explore the Great Cavern, a huge cave system. Before entering, our guide, Mark, pointed at the tall, white (3) __________ . "Millions of years ago, this whole area was under a sea," he explained. "The cliffs are made of (4) __________ and (5) __________ , all formed from ancient sea creatures." It was hard to believe! We put on our helmets and got ready to (6) __________ down the entrance, a dark crack in the rock. As I went down, the sunlight disappeared, and we were in complete (7) __________ . We turned on our headlamps. Inside, it was a different world. Mark pointed out a spot where the rock looked like frozen waves. He told us that this whole cave was formed partly by water and partly by ancient volcanic activity. "Imagine (8) __________ flowing through here millions of years ago," he said. "It created the first tunnels." It was damp and cool. We saw a small (9) __________ crawling on the wall. Farther in, near a small underground stream, Mark showed us a tiny, colorless (10) __________ . "It's completely (11) __________ ," he whispered. "It lives in the dark and doesn't need eyes." We also saw a small (12) __________ hiding under a rock! It was amazing to think these (13) __________ lived their whole lives without ever seeing the sun. We watched a beetle (14) __________ along the cave floor. After exploring the cave, we had an even bigger adventure. We went to the canyon to go (15) __________ on the river that flows out of the cave. Back at the camp, Mark looked serious. "These beautiful caves are in danger," he said. "Pollution in the air creates (16) __________ rain. When that rain soaks into the ground, it can dissolve the limestone, damaging the caves and the water for all the creatures living here, like the crayfish and (17) __________ we might see in the river." We all felt proud to have seen such an incredible place and promised to help protect it.

Ответ:

1. Our school adventure club trip was the best! We went to a (1) natural park famous for its amazing rock (2) limestone. The goal was to explore the Great Cavern, a huge cave system.

2. Before entering, our guide, Mark, pointed at the tall, white (3) chalk. "Millions of years ago, this whole area was under a sea," he explained. "The cliffs are made of (4) cliff and (5) formation, all formed from ancient sea creatures." It was hard to believe!

3. We put on our helmets and got ready to (6) abseil down the entrance, a dark crack in the rock. As I went down, the sunlight disappeared, and we were in complete (7) dark. We turned on our headlamps.

4. Inside, it was a different world. Mark pointed out a spot where the rock looked like frozen waves. He told us that this whole cave was formed partly by water and partly by ancient volcanic activity. "Imagine (8) lava flowing through here millions of years ago," he said. "It created the first tunnels."

5. It was damp and cool. We saw a small (9) millipede crawling on the wall. Farther in, near a small underground stream, Mark showed us a tiny, colorless (10) species. "It's completely (11) blind," he whispered. "It lives in the dark and doesn't need eyes." We also saw a small (12) crayfish hiding under a rock! It was amazing to think these (13) scorpion lived their whole lives without ever seeing the sun. We watched a beetle (14) crawl along the cave floor.

6. After exploring the cave, we had an even bigger adventure. We went to the canyon to go (15) rafting on the river that flows out of the cave.

7. Back at the camp, Mark looked serious. "These beautiful caves are in danger," he said. "Pollution in the air creates (16) acid rain. When that rain soaks into the ground, it can dissolve the limestone, damaging the caves and the water for all the creatures living here, like the crayfish and (17) crab we might see in the river."

Ответ: natural, limestone, chalk, cliff, formation, abseil, dark, lava, millipede, species, blind, crayfish, scorpion, crawl, rafting, acid rain, crab