A. OLD B. NEW C. COMMON D. FAMOUS A. OLD B. NEW C. COMMON D. FA...

40. - DAP AN ON THI DAI HOC 58 40. - DAP AN ON THI DAI HOC 58
DAP AN ON THI DAI HOC 58
40. A. old B. new C. common D. famous Passage 2.Man discovered fire many thousands of years ago. The first time he saw fire was probably when a tree was ...(41)... by lightning. He soon learned how to make fire for ...(42)... , however, Man probably made his first by ...(43)... two sticks together.Fire was very important to man. He needed fire to keep himself ...(44)... at night. He used fire to cook his food. He used fire to frighten ...(45)... enemies and wild animals. In some ...(46)... of the world he used fire to signal messages. Red Indians, for example, used fire to make smoke signals .In some other countries people lit fires to ...(47)... their friend of danger.Fire is also used to give light. ....(48)...the invention of the oil lamp, man ...(49) burning sticks as torches. And before man discovered gas and electricity, he ...(50)... small fires in wire baskets from post to light the streets.