2. 阅读理解：请在读完上文后，回答下列问题。（答案见下页） 1. Why did a group of divers have to explore these caves?

2. What is this cave longer than previously thought?

3. True or false? You could fit the length of 7,000 Olympic swimming pools inside this cave.

4. Before the discovery of this new cave, was there any real evidence that it existed?

3. 答案 1. Why did a group of divers have to explore these caves?

Divers had the explore the caves because they were underwater.

2. Why is this cave longer than previously thought?

Two large caverns are connected, creating a 350km long cave.

3. True or false? You could fit the length of 7,000 Olympic swimming pools inside this cave.

True. The new cave is the equivalent of 7,000 Olympic swimming pools in length and in places up to 100m deep.

4. Before the discovery of this new cave, was there any real evidence that it existed?

No. It was thought that something record-breaking would be found below the surface –  but there was no proof.

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