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    What apparatuses are used for exploring the ocean depths at present?

• non-military submersibles

• military submersibles

• non-military aircrafts

• non-military ships

   What countries are developing such submersibles?

• the USA

• Japan

• Russia and France   

• all these countries

What kind of submersible is being designed?

• an advanced manned submersible

• an advanced manned ship

• an advanced manned boat

• an advanced manned craft

What is the depth it is capable to submerge to?

• 22,000 feet

• 21,000 feet

• 20,000 feet

• 12,000 feet

What motor is used in it?

• a battery-operated electric motor

• a gasoline-operated electric motor

• a battery-operated electric car

• a battery-operated electric motorbike

  What devices are provided for collecting samples from the ocean floor?

• electric manipulators

• robotic legs

• robotic arms

• robotic manipulators

What is the practical application of the submersible?

• cultivating sea animals

• cultivating sea plants, fish and pearls

• cultivating sea plants and flowers

• keeping sea plants, fish and pearls

This manipulator system is designed to lift up to ……._  pounds.

• 250

• 320

• 120

• 210

This new submersible looks like an underwater ……….

• helicopter

• submarine

• craft

• sports car

Some scientists are trying to develop the world's …… manned submersible.

• cheapest

• biggest

• fastest

• deepest