Why did the U.S. Navy set up underwater microphones around the world in the 1960s
A: To listen for changes in ocean structure.
B: To listen for changes of ocean currents or volcanic activity.
C: To make sure whether there was a giant squid deep in the ocean.
D: To follow the track of the Soviet warships under water.
A: To listen for changes in ocean structure.
B: To listen for changes of ocean currents or volcanic activity.
C: To make sure whether there was a giant squid deep in the ocean.
D: To follow the track of the Soviet warships under water.
举一反三
- 【判断题】Changes in ocean currents and temperature will cause the weather change.() A. 对 B. 错
- The Pacific Ocean is bigger than the Indian Ocean. A: The Pacific Ocean is bigger than the Indian Ocean. B: The Pacific Ocean is bigger than the Indian Ocean. C: / D: /
- Which is NOT a success of China's science and technology? A: Jiaolong's ocean exploration B: Shenlong's ocean exploration C: China's sky eye D: "Sunway-Taihu Light" supercomputer
- Listening 1-19. A: They measured the depths of sea water. B: They analyzed the water content. C: They explored the ocean floor. D: They investigated the ice.
- It is Boyan Slat’s school assignment that inspired him to come up with a creative method to deal with ocean plastics.