从古至今取火方式的演变
从古至今取火方式的演变

People made a fire from lightning hundreds of thousands of years ago. But they had to keep the fire burning because they couldn’t start it again. Later, they found out hitting two piece of stone together could make a spark. The spark could fire dry leaves. In this way they could make a fire. They used fire for cooking food and also for light, warmth and protection from wild beasts(野兽).
People also learned to make a fire by rubbing. They made a hole on a big piece of wood and put a smaller stick into the hole. They turned the stick again and again. After a few minutes they got a fire.
About two centuries ago, people began to make matches. Matches brought people a quick and easy way to make a fire. Today matches are still being used, but people have more new ways to make a fire. Lighters(打火机) are more frequently to be used. They are much more expensive than a box of matches. But it is more convenient to use lighters.

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1.Why did people have to keep the fire burning?

A To use it for cooking food.

B To protect people from fire.

C To start making a fire again.

D To prevent it from disappearing.

解析：选D。D 推理判断题。根据第一段第二句可知，他们不得不让火继续烧，因为不能再点火了，即要防止它消失不见，故选D。

2.What’s the Chinese meaning of the underlined word “spark”?

A 火花.

B 炉火.

C 诱因.

D 火灾.

解析：选A。A 词义猜测题。根据原文可知，将两块石头撞到一起，应该是能产生“火花”，然后点燃干树枝，故选A。

3.How long have matches been used?

A About two hundred years.

B About two thousand years.

C About two million years.

D About two billion years.

解析：选A。A 细节理解题。根据第三段第一句About two centuries ago, people began to make matches.可知大约两个世纪前，人们开始制作火柴，故选A。

4.What’s the right order of getting a fire from rubbing? ① turning the stick again and again ② making a hole on a piece of wood ③ putting a smaller sick into the hole

A ①②③

B ②③①

C ③①②

D ②③①

解析：选D。D 逻辑顺序题。根据第二段可知，摩擦生火是现在一块木头上打一个洞，然后把一根小点的木棍放进洞里，然后再反复地转动棍子。故选D。

5.What can we know from the passage?

A Some forest fires happen because of lightning.

B Nowadays there are only two ways to make a fire.

C Using matches is not as convenient as using lighters.

D Many people don’t use matches because they have lighters.

解析：选C。C 细节理解题。根据全文并结合第三段可知火柴没有打火机方便，故选C。