Cars make our lives more convenient. But they can also be a problem. For example, fossil fuel(化石燃料) cars mainly cause air pollution.

To improve the environment, many countries are developing electric vehicles (EVs, 电动车). Among them, China is taking a leading role and has created the world's largest EV market.

Last year, over 40 percent of the 753,000 EVs sold in the world were sold in China, more than twice as many as the number sold in the United States.

"Filling up a fossil fuel car with gas(汽油) is more expensive than charging (充电) an electric car," said Wu Hao, who bought an electric car this year.

However, there are still some problems. It can be hard to find charging piles(充电桩) and the cars can't go far before needing to be recharged.

Some of these problems are being solved. In 2014,China had 31,000 charging piles. Now China has the world's largest EV charging network, with more than 167, 000 charging piles in total.

Developing EVs is one of many efforts that China has made to cut down pressure on its environment after the government promised to stop increases in carbon dioxide emissions(二氧化碳排放量) by 2030.

"As China goes, so will the world's car industry," The Wall Street Journal said. China has taken a leading role in the world's electric vehicle industry.

1._______ mainly cause air pollution according to the passage.

A.Subways B.Sharing bikes C.Electric vehicles D.Fossil fuel cars

2.Over _______ electric vehicles were sold in China last year.

A.150, 600 B.167,000 C.301, 200 D.753,000

3.What does Wu Hao think of charging an electric car?

A.It's more expensive than filling up a fossil fuel car with gas.

B.It's less expensive than filling up a fossil fuel car with gas.

C.It's as expensive as filling up a fossil fuel car with gas.

D.It's as cheap as filling up a fossil fuel car with gas.

4.Which country has the world's largest EV charging network now?

A.America. B.Germany. C.China. D.England.

5.What is the passage mainly about?

A.China has taken a leading role in the world's electric vehicle industry.

B.Electric cars will disappear in the future.

C.There is no problem using electric cars.

D.How to deal with air pollution.

阅读短文,根据短文内容回答问题。

A 108-year-old Message in a Bottle

On November 30, 1906, George Bidder dropped a bottle from a boat into the North Sea. The weighted glass bottle sank almost to the sea floor, and then it move slowly for 108 years and 138 days.

Its journey ended when Marianne Winkler found the bottle in 2015. Winkler was then on vacation on Amrum Island. She picked up the bottle when it was washed up onto the beach. She saw a piece of paper inside, but didn’t break it open. She could tell that the bottle was old. So she didn’t want to damage it.

Finally she got the piece of paper out of the bottle. She found that the paper was actually a postcard. On the back of the card there was this message: The Marine Biological Association(海洋生物学协会) would pay a shilling(先令) for the bottle. A shilling was a unit of money that was used in Great Britain before the early 1970s.

Winkler filled out the card and posted it. The association was surprised to get a postcard addressed to George Bidder, the president of the association from 1939 to 1945. The workers of the association searched on the Internet to find a shilling. They found one and sent it to Winkler as a reward.

The message in the bottle was the oldest ever re-discovered. For this reason Marianne Winkler got a place in “Guinness World Records”(吉尼斯世界纪录). She broke the record for the oldest message in a bottle.

Winkler’s bottle was not the only one Bidder sent to sea. Between 1904 and 1906, he spent away more than one thousand bottles. He placed postcards inside them. The bottles were part of a research project to map currents(洋流) in the North Sea. This was the best method at that time. But whether the association could get the bottles back depended on the people who found them. The association reported that about 55 percent of the bottles were returned. They added that the experiment was a success as it showed the east-to-west flow of the North Sea’s currents.

1.How long did the weighted glass bottle move in the sea?

2.Did Marianne Winkler find the bottle in 2015?

3.What was in the bottle?

4.Who was George Bidder?

5.Why did Bidder drop bottles into the sea?

It was one of the honest days of the dry season. There was no rain for about a month. Cows stopped giving milk. On this day I saw a wonder.

I was making lunch when I saw my six-year-old son Billy walking very slowly to the woods. Minutes later, he ran to the house. Soon after that, I saw him walking to the woods again. This went on for an hour. Finally I walked out of the house quietly and followed him.

Billy cupped(窝成杯状)both hands in front of him as he walked, careful not to drop the water he carried. Then I saw an amazing sight. Several large deer stood in front of him. Billy walked right up to them. I saw a tiny baby deer lying on the ground. It was dying of thirst, and it lifted its head to drink the water in my boy's hands.

When the water was gone, Billy ran back to the house. I followed him to the tap. Billy turned it on and let the water slowly fill up his "cup". When he stood up and turned, I was there in front of him. His eyes were filled with tears. "I'm not wasting water, Mum," he said. I joined him with a bottle of water from the kitchen. I let him walk to the baby deer alone while I stood meters away. As tears rolled down my face, they were suddenly joined by other drops… and more drops... as if the sky itself was crying.

1.What was the weather like?

A.Hot and dry. B.Cold and rainy. C.Warm and cloudy. D.Cool and sunny.

2.What did the mother see when she was making lunch?

A.She saw Billy playing with some cows.

B.She saw several large deer eating grass behind her house

C.She saw Billy walking from the woods to the house again and again.

D.She saw a tiny baby deer lying on the ground.

3.In the beginning Billy carried the water to the baby deer with __________________.

A.a bottle B.his hands C.a cup D.his mouth

4.The mother thought Billy was a (an) _____________ boy.

A.honest B.brave C.funny D.helpful

5.From the last sentence of the passage, we can know ____________________.

A.the mother was sorry for the deer B.the dry season ended and it started to rain

C.the wonder was that the baby deer could cry D.Billy wasted water and began to cry

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