Player can make fire spray out of their mouths when they act as _________.

If the fire went out, they would make another fire.

A．True.

B．False.

st and started a fire, people took some of this fire to their homes. The fire kept them warm, and also frightened wild animals. Soon people found the food cooked tasted much better, so they began to use the fire to cook food.

But people still didn't know how to make a fire. When they got a fire from the forest, they tried to keep it burning. If it went out, they had to wait for years.

But later they found different ways to make fire. For example, they made fire by burning wood or knocking two pieces of stones.

Today it's easy for people to make fire because they have matches, lighters and different kinds of heaters. They can make fire at any time they need.

Nature once helped people find fire.

A．True.

B．False.

阅读下文，回答题

Fire can help people in many ways. But it can be very dangerous. Fire can heat water, warm houses, give light and cook. But fire can bum things, too. It can bum trees, houses, animals or people. Sometimes big fires can bum forests.

Nobody knows for sure how people began to use fire. But there are many interesting stories about the first time a man or a woman started a fire. One story from Australia tells about a man very, very long time ago. He went up to the sun by a rope (绳子) and brought fire down.

Today people know how to make a fire with matches (火柴) . Children sometimes like to play with them. But matches can be very dangerous. One match can burn a piece of paper and then it might burn a house. A small fire can become a big fire very fast. Fire kills many people every year. So you must be careful with matches. You should also learn to put out fires. (80) Fires need oxygen(氧气). Without oxygen they will die. Cover a fire with water, sand, or sometimes with your coat. This keeps the air away from a fire and kills it. Be careful with fire, and it will help you. Be careless with fire, and it will burn you.

How did people begin to use fire？ 查看材料

A.Not everybody knows how people began to use fire

B.Nobody knows how to make a fire

C.It is an Australian who started a fire

D.We are not sure how people began to use fire

houses, give light and cook. But fire can burn things, too. It can bum trees, houses, animals or people. Sometimes big fires can burn forests.

Nobody knows for sure how people began to use fire. But there are many interesting stories about the first time a man or a woman started a fire. One story from Australia tells about a man very, very long time ago. He went up to the sun by a rope (绳子) and brought fire down.

Today people know how to make a fire with matches (火柴) . Children sometimes like to play with them. But matches can be very dangerous. One match can bum a piece of paper and then it might bum a house. A small fire can become a big fire very fast. Fire kills many people every year. So you must be careful with matches. You should also learn to put out fires. (80) Fires need oxygen(氧气). Without oxygen they will die. Cover a fire with water, sand, or sometimes with your coat. This keeps the air away from a fire and kills it. Be careful with fire, and it will help you. Be careless with fire, and it will bum you.

How did people begin to use fire？

A．Not everybody knows how people began to use fire.

B．Nobody knows how to make a fire.

C．It is an Australian who started a fire.

D．We are not sure how people began to use fire.

Fire can help people in many ways. But it can also be very dangerous. Fire can heat (加热) water, warm houses, give light and cook food. But fire can burn things, too. It can burn trees, houses, animals, or people. Sometimes big fires can burn forests.

Nobody knows for' sure how people began to use fire. But there are many interesting old stories about the first time a man or a woman started a fire. One story from Australia tells about a man very, very long time ago. He went up to the sun by a rope (绳子) and brought fire down.

Today people know how to make a fire with matches (火柴). Children sometimes like to play with them. But matches can be very dangerous. One match can burn a piece of paper, and then it might burn a house.. A small fire can become a big fire very fast. Fires kill many people every year. So you must be careful with matches. You should also learn to put out (熄灭) fires. Fires need oxygen (氧气). Without oxygen they will die. There is oxygen in the fire. Cover a fire with water, sand, or sometimes with your coat. This keeps the air away from a fire and kills it. Be careful with fire; and it will help you. Be care less with fire, and it will burn you.

How did people begin to use a fire？

A．We know how people began to use fire.

B．Nobody knows how to make a fire.

C．It was an Australian who started a fire.

D．We are not sure how people started a fire.