WHICH OF THE FOLLOWING WOULD SERVE AS THE BEST TITLE OF THE PASSAG...

65. Which of the following would serve as the best title of the passage? A. Hunter-gatherers: Always on the Move B. Hunter-gatherers and Subsistence Societies C. Evolution of Humans’ Farming Methods D. A Brief History of Subsistence Farming Read the following passage and choose the correct word for each of the blanks Some time ago, scientists began experiments to find out (66)____ it would be possible to setup a “village” under the sea. A special room was built and lowered (67)____ the water of Port Sudanin the Red Sea. For 29 days, five men lived (68)____ a depth of 40 feet. At a (69)____ lower level,another two divers stayed for a week in a smaller “house”. On returning to the surface, the men saidthat they had experienced no difficulty in breathing and had (70)____ many interesting scientificobservations. The captain of the party, Commander Cousteau, spoke of the possibility of (71)____the seabed. He said that some permanent stations were to be set up under the sea, and someundersea farms would provide food for the growing population of the world. The divers in both “houses” spent most of their time (72)____ the bottom of the sea. On fouroccasions, they went down to 360 feet and observed many extraordinary (73)____ of the marine life,some of which had never been seen before. During their stay, Commander Cousteau and his diversreached a depth of 1,000 feet and witnessed a gathering of an immense (74)____ of crabs whichnumbered, perhaps, hundreds of millions. They also found out that it was (75)____ to move rapidlyin the water in a special vessel known as a “diving saucer”.