A. Main Idea. Check (√) the main idea of the video.
A: Power from waves is limitless and holds great promise as an energy source.
B: Four new machines are changing the way we get energy from the ocean.
C: It’s easy to generate power from waves, but it’s still too expensive.
A: Power from waves is limitless and holds great promise as an energy source.
B: Four new machines are changing the way we get energy from the ocean.
C: It’s easy to generate power from waves, but it’s still too expensive.
举一反三
- 2. is main source of radioactive pollution from nuclear power plants.
- Focus on the main ideas when reading are impeded by difficult words and abstract ideas. Which of the following sentence best summarize the main idea of the passage? A: The passage explains mainly how the tides generate power. B: There is great potentiality and feasibility of UK developing tidal power, C: UK takes a lead in tidal energy development. D: There are still a lot of problem for developing tidal power.
- Focus on the main ideas when reading are impeded by difficult words and abstract ideas. Which of the following sentence best summarize the main idea of the passage? A: The passage explains mainly how the tides generate power. B: There is great potentiality and feasibility of UK developing tidal power, C: UK takes a lead in tidal energy development. D: There are still a lot of problem for developing tidal power.
- If we analyze a drama, we basically analyze it from its______. A: conflicts or the main idea B: characters C: dramatic language D: conflicts or the main idea, characters and dramatic language
- What can be concluded from the passage A: Scientists' discoveries always change people's belief. B: There are too many secrets to be discovered. C: Megalodon may be still alive deep in the ocean. D: "Deep sound channel" allows sound waves to travel undisturbed.