根据短文内容在空白处填写一个适当的单词。

  Fire can be very useful, but it can also be very (1) _____. Be careful when you start a fire.

  Millions of years ago, early men used a stick, a large (2) ____ of wood and dry leaves to make a fire. Early men found fire very (3) ____. At first, they ate raw meat. Then they discovered fire and started eating (4) ____ food. At night, they used fire to (5) _____their families from wild animals. They also used fire to give them light and keep them warm in winter.

  Nowadays, people do not only use fire to (6) _____ food or boil water. In factories, workers use it to melt metals. Metals are melted so that they can be made (7) ____ different shapes.

  Factory workers also use fire to make glass. Have you ever seen workers blowing glass? They make bottles and vases of different sizes and shapes by (8) ____ glass. First, the workers put some hot glass onto one end of a long metal pipe. Then they start blowing from the other end of the pipe.

  In some places of the world, people use fire to (9) _____ rubbish. Every day, they collect and burn a huge amount of rubbish. Fire can (10) ____ everything. We have to be careful when we use fire. People may lose their lives and homes or they may be seriously injured in a fire.

  Every year, hill fires burn a lot of trees. This is because there are many (11) ____and thoughtless people. Careless people forget to put out their barbecue fires. (12) ____ people drop burning cigarette ends everywhere.

根据短文内容选词填空。(Choose the right words to fill in the blanks.)

  Jerry finished college last summer.It was   1   for him to find a job.Many people lost their   2   in the city and they had to wait.  3   his aunt's help, a manager of a hotel decided to hire(雇佣)  4  .It's far from his house.As his father was   5   of the poorest in the village, he didn't   6   enough money to buy a motorbike for him.The   7   man had to go to work by bike.He had to start   8   in the morning so that he could get to the   9   on time.He was sure everything would be good if he worked hard.

  Half a year   10   Jerry got some money.He went to the shops where all kinds of motorbikes were sold.But they were all expensive and he couldn't buy the cheapest one.One of his friends said,“You'd better go to the second-hand markets.Maybe you can buy a cheaper one there.”

  Jerry thought it was right and went there on weekend.He looked at all the motorbikes carefully and at last he settled on(看中)the third among them all.The first one was the newest, but it was the most expensive.The second one was newer, but it was more expensive.And finally he chose the third one.It was the oldest of all, but it was the cheapest.He comforted himself,“I'll have a nice car one day!”

1.________ 2.________ 3.________ 4.________ 5.________

6.________ 7.________ 8.________ 9.________ 10.________

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