For Teachers

Guide students through the 30-minute lesson sequence starting with Module 1 vocabulary and syntax build-up.

Review students' automated AI speech scores and criteria feedback in Module 2 to target individual delivery weak points.

For Learners

Complete all Module 1 exercises first to master target collocations and advanced sentence patterns.

Record your spoken responses in Module 2 before expanding the collapsed model answers to compare your delivery.

1. The scientific team boarded the specialized oceanographic _____ to deploy their deep-sea equipment.

2. Thick layers of fine abyssal _____ had slowly settled on the ocean floor over a very long time.

3. Engineers relied on advanced _____ pulses to map the complex topography of underwater mountain ranges.

4. Commercial corporations are eager to launch deep-sea _____ operations to extract rare metals.

5. The crew safely boarded the small piloted _____ to go down to the bottom of the ocean.

Collocation 1: uncharted waters

Collocation 2: seabed extraction

Collocation 3: mineral deposits

Collocation 4: research vessel

Collocation 5: deep ocean trench

Collocation 6: sonar technology

So little is known about [topic] that [clause]

Such was the [noun] that [clause]

While it is true that [view A], one cannot ignore [view B]

Had it not been for [factor], we would never have [result]

"Well, honestly, it's hard to say. I'd lean towards protecting it, but, um, exploration is also vital for science. You see, the ocean floor has ecosystems that we barely understand, and disturbing them could cause a lot of damage. When I read about fragile life on the sea floor, it really struck me how easily it could be hurt. If we rush into big projects without knowing the consequences, we might destroy animals that nobody has even seen. So, in my view, protection should come first, or at least go hand in hand with careful study before any big industrial work begins."

"Honestly, I don't think any single country should have that right. If nobody owns that part of the ocean floor, then one country taking it would be unfair, I think. I remember talking about this with a classmate recently, and we both felt it should be decided together. If a company just starts digging for private profit, it can cause arguments between countries and harm the sea. So any work in shared waters should be agreed by everyone, for the common good. We really shouldn't let a few powerful countries turn the ocean into their own mining sites."

"Well, off the top of my head, I'd say space is just more exciting for most people. People look up at the stars and feel inspired, whereas the seabed seems dark and a bit scary. I know my younger brother, for instance, used to dream of rockets, never submarines. Also, space projects get a lot of attention in the news, so it's easier to find money for them. Deep-sea exploration is hard too, because of the water pressure, but fewer people talk about it, so governments and companies spend their money elsewhere."

"Honestly, I think it should be a shared effort, because no single group has all the money and all the knowledge. Governments have public money, but, you know, their budgets are often tight. Universities have the experts, though they rely on grants. Private companies have plenty of cash, but they might care more about profit than science. I remember a documentary where a few groups teamed up to pay for one big dive, and that seemed fair to me. So I'd say they should all share the cost, so nobody has to foot the bill alone."

"Well, that's a tough one, but personally, I'd say the risk is still too high. I mean, we all use phones and laptops every day, so I get why people want the metals. However, wrecking fragile sea-floor habitats just to make gadgets feels like a short-sighted trade-off. Once sea animals die out, we can't bring them back. I think engineers should look at recycling old phones first, or at metals we can already find on land. In short, we shouldn't harm the sea just for a bit of convenience, even if it's the easy way out."

"To be honest, absolutely not! The thought of being stuck inside a tiny metal cabin at the bottom of the sea makes me really anxious. You see, I get a bit claustrophobic even in small lifts, so going down into total darkness would be a real nightmare. Of course, I really admire the explorers who do it for science, and I love watching their videos online. But going down there myself? No way. I'd much rather stay safely on dry land and leave it to trained people who know what they're doing."