8. /first time/ he/ see/ fire/ probably/ when/ tree/ strike/ lightning.
A
The first time he saw fire was probably when a tree was struck by lightning.
B
The first time he saw fire probably when a tree was struck by lightning.
C
The first time he saw fire was probably when tree was struck by lightning.
D
The first time he saw fire was probably when a tree struck by lightning.
49. He/ soon/ learn/ make/ fire/ himself/ rub/ two/ stick/ together.
A
He soon learned how to make fire by himself by rubbing two sticks together.
B
He soon learned how to make fire for himself with rubbing two sticks together.
C
He soon learned how to make fire for himself by rubbing two sticks together.
D
He soon learned how to make fire by himself with rubbing two sticks together.
50. Fire/ very important/ man/ because/ he/ need/ fire/ keep/ warm/ night,/ cook/ food,/ and frighten/ enemies and wild animals/.
A
Fire was very important to man because he needed fire for keep warm at night, cook food and frighten away enemies and wild animals.
B
Fire was very important to man because he needed fire to keep himself warm at night, cook food and frighten away enemies and wild animals.
C
Fire was very important to man because he needed fire to keeping him warm at night, cooking food and frightening away enemies and wild animals.
D
Fire was very important to man because he needed fire by keeping his house warm at night, cooking food and frightening away enemies and wild animals.
51. Red Indians,/ example,/ use fire/ make/ smoke signals,/ people/ lit/ fires/ warn/ friends/ danger/ other countries.
A
Red Indians, for example, used fire to make smoke signals, so people lit fires to warn their friends of danger in other countries.
B
Red Indians, for example, used fire to make smoke signals, but people lit fires to warn their friends of danger in other countries.
C
Red Indians, for example, used fire to make smoke signals so that people lit fires to warn their friends of danger in other countries.
D
Red Indians, for example, used fire to make smoke signals, or people lit fires to warn their friends of danger in other countries.
52. Fire/ very also use/ give light,/ such/ burn sticks/ torches/ before/ invention/ oil lamp.
A
Fire was very also used to giving lights, such as burn sticks as torches before the invention of oil lamp.
B
Fire was very also used to give lights, such as burn sticks as torches before the invention of oil lamp.
C
Fire was very also used to giving lights, such as burning sticks as torches before the invention of oil lamp.
D
Fire was very also used to give lights, such as burning sticks as torches before the invention of oil lamp.
53. And before/ man/ discover/ gas and electricity,/ hang/ small fire/ wire basket/ post/ light/ streets.
A
And before a man discovered gas and electricity, he hung small fires in wire baskets at posts to light up the streets.
B
And before a man discovered gas and electricity, he hung small fires on wire baskets at posts to light up the streets.
C
And before a man discovered gas and electricity, he hung small fires in wire baskets from posts to light up the streets.
D
And before a man discovered gas and electricity, he hung small fires on wire baskets from posts to light up the streets.
Man discovered......fire......(1) many thousands of years ago.The first time he saw fire was probadly when a tree was struck....by.....(2) lightning.He soon learned how to make fire for.....himself.....(3).However man probadly made his first fire by....rubbing....(4) two sticks together. Fire was very important to.....man....(5).He needed fire to keep himself warm at....night......(6).He used fire to cook his food.He used fire to frighten away enemies and wild.....animals......(7).In some parts of the......world....(8) he used to fire to signal messages.Red Indians,for example,used fire to smoke signals......in........(9) some other countries people lit fires to warm their friends....of.......(10) danger
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