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　　Long long ago people made fires from lightning(闪电)。 But they had to keep the fire burning, for they couldn't start it again if there was no lightning. Later, they found out hitting two piece of stone together could make a spark (火花). The spark could fire dry leaves. In this way they could make the f ire again if it went out. Them 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.

　　As years went by, people learned other ways to make a fire. Sometimes they used the heat from sun. they held a piece of glass in the right way and made a piece of paper on fire.

　　About two centuries ago, people began to make matches (火柴). Matches brought people a quick and easy way to make fir e. Today matches are still being used, but people have more new ways to make fires. One of them is to use an electric fire starter. Of course an electric fire starter is much more expensive than a box of matches. But it is more useful.

　　26. A spark can _________.

　　A. fire any leaves   B. burn anything   C. burn dry leaves   D. keep fires burning

　　27. We can also get a fire by _________.

　　A. making a hole on a big piece of wood   B. putting a smaller stick into the hole

　　C. turning the stick hard for a while    D. doing all the above together

　　28. Matches have been used _________.

　　A. for about two thousand years   B. for about two hundred years

　　C. since people began to use fire for cooking

　　D. since people used the heat from the sun.

　　29. From this passage we know _______.

　　A. using matches is the easiest and most useful way to make fires

　　B. people don't use matches any more since they had electric fire starters

　　C. today there are only two ways to make fires

　　D. some forest fires happen from lightning

　　30. Choose the right order of the ways to make fires people got to know _________.

　　a. with a match   b. from the sun   c. from lightning   d. by rubbing   e. with an electric fire starter.

　　A. d ,b, c, a, e   B. d, c, b, a, e   C. c, d, b, a, e    D. c, b, d, a, e

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