Today, roller skating is easy and fun. But, before 1750, the idea of skating didn’t exist(存在). That changed because of a man named Joseph Merlin. Merlin’s work was making musical instruments.

One day Merlin was invited to a music party. He was very pleased and a little excited. As the day of the party came near, Merlin began to think how to make a grand entrance (隆重出场) at the party. He had an idea. He thought he would get a lot of attention if he could skate into the room.

Merlin tried different ways to make himself roll. Finally, he decided to put two wheels under each shoe. These were the first roller skates in the world. Merlin was very proud of his invention and dreamed of getting to the party on wheels while playing the violin.

On the night of the party Merlin rolled into the room playing his violin. Everyone was surprised to see him. There was just one problem. Merlin had no way to stop his roller skates. He rolled on and on, suddenly, he ran into a huge mirror that was hanging on the wall. Down fell the mirror, breaking into pieces. Nobody forgot Merlin’s entrance!

1.The idea of roller skating didn’t exist _______.

A. until 1750 B. after 1750

C. since 1750 D. from 1750

2.What was the job of Joseph Merlin?

A. Making shoes B. Making toys

C. Making mirrors D. Making musical instruments

3.Merlin didn’t ______ at the party.

A. play the violin

B. have any ways to stop his roller skates

C. roll into the room

D. get a lot of attention

4.Merlin stopped rolling when ______.

A. he wanted to stop B. he ran to the window

C. he ran into the mirror D. he knocked someone

5.Which is the best title of the passage?

A. How to use the roller skates

B. Merlin and the first roller skates

C. How to make musical instruments

D. Merlin and the first violin.

Imagine one day the water taps (水龙头) in your house stop running. You have to pay a lot of money to buy water from shops. And still there isn’t enough water for everyone. Your mother has to save the family’s shower water to use for washing clothes. Would you be able to stand that kind of life?

Probably not. But that is what kids in Yemen (也门) are experiencing (经历). According to a report, the capital, Sana, will run out of drinking water as early as 2025.

Because of the water shortage, the Yemen government often cuts the water supply (供应). Hannan, an 18-year-girl, tells the Teens, “In a good week we’ll have a water supply all week. But then the next week there will be water only for a day or two.”

Hannan says only rich people have enough water to use. They can buy water from the shops or from the water trucks. Private (私人的) companies own the trucks, They travel around the city every day to sell water--- at very high prices.

“ A lot of people can’t pay for it,” she says.

The government is thinking of making use of seawater. But it will cost a lot and it may not happen soon enough to help the people of Yemen.

1.______ is the name of the capital city of Yemen.

A. Sana B. Lahej C. Hannan D. Time

2.A report shows that Sana will have _______ as early as 2025.

A. enough drinking water to use

B. no drinking water to use

C. no private companies

D. more water pollution

3.What does the underlined word “shortage” in the third paragraph mean in Chinese?

A.充足 B. 短缺 C. 干旱 D. 需求

4.We can infer(推断) from the passage that _________.

A. the poor don’t have to worry about the water supply

B. the 18-year-old boy is from a poor family

C. private companies make a lot of money

D. Lahej is a beautiful place

5.The writer wants to tell us ______.

A. not to use seawater

B. not to waste water

C. to drink less water

D. to sell water to Yemen

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