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题型:阅读选择 题类:真题 难易度:普通

浙江省杭州市2020年中考英语试卷

阅读理解

    Traffic lights are red, yellow and green. They are very important signals (信号). Traffic lights are usually placed at busy street corners to help control traffic. Sometimes, they are on streets near schools and shops, too. Most young children are taught what each of the colored lights means, so everybody can stay safe.

    The first traffic signals were used for trains. The signals were put alongside railway tracks (轨道). The color red was used to mean "stop" because it warned people of danger. A red light was also the easiest color to see from a distance. Train drivers could see the red "stop" light ahead and had enough time to slow down and stop their trains. A green light was used to mean "take care" and a white light meant "go".

    However, there were many dangerous accidents on the train tracks. Some train drivers thought a star shining in the night sky was a white light that meant "go"". So the signals were swapped. The "go" light was changed to green and the "take care" light was changed to white.

    During these times, people travelled by train or in carts pulled by horses. Years later, when cars were built, people began to drive them because they could travel much faster than horses. However, the road rules for drivers were not very clear and many people were hurt crossing the roads. Yellow warning signs had to be placed beside the roads to remind drivers to take care and allow people to cross safely.

    Today, towns and cities all over the world have traffic lights. Red and green lights match the signals used on the railways. Yellow lights are easy to see, so they are used to warn drivers that they should slow down and prepare to stop.

(1)、Why was the color red used to mean "stop"?
A、It reminded people of traffic rules. B、It helped trains run smoothly. C、It gave people a warning of danger. D、It was the first color people thought of.
(2)、What does the underlined word "swapped" in Paragraph 3 mean?
A、Designed. B、Exchanged. C、Suggested. D、Compared.
(3)、In which order did the "take care" light develop?

a. A white light   b. A green light.    c. A yellow light.

A、a一b一c B、b一c一a C、a一c一b D、b一a一c
(4)、What is the passage mainly about?
A、The advantages of traffic lights. B、The history of traffic lights. C、The importance of traffic lights. D、The meanings of traffic lights.
举一反三
阅读理解

①Walking slowly out of the classroom by himself to the dining room; taking his lunch; sitting and eating alone at a table of four seats, such moments are pretty normal to be seen on the 14-year-old schoolboy, Peter. He spends most of his school time on his own, which makes his parents worry about him so much.

②His parents' worries are easy to understand. It is widely accepted that being alone is a symbol of being left out and can bring a lot of trouble. Most people believe teenagers who are usually alone do have few friends and are unable to fit in with other people. At the same time, they are at greater risk of having mental(心理的) problems.

③However, a new study by some researchers at Wilmington College, shows that this may not always be true. Whether it is bad for teenagers or not depends on the reasons why teenagers are alone. If it is their choice, it may play an active role in their personal growth.

④According to their study, when teenagers choose to think alone, they put 100% of their attention into what is in their mind and are more likely to experience deeper thoughts and feelings than working with others. They may have a greater chance to create something new, In this way they can better develop their creativity(创造力).

⑤On the other hand, the ongoing noise children's brains receive every day can put great stress on them and make it hard for them to focus. Being alone lets them shut themselves off from the noisy outside world and think about what's best for them. Slowly they improve their ability to focus.

⑥As a matter of fact, our culture is always biased(有偏见的) against being alone. Maybe it is the right time for us to rethink about Peter's situation before we say what's happening to him.

 阅读理解

Big Data and You

Big data(数据) is a lot of sets of information that are put together so they can be used by a computer program. The computer program looks for different kinds of answers or patterns(模式) in the data. Big data can have different kinds of information from many sources, such as information that comes from schools, social media(媒体)sites, companies, and governments. One set of data can have people's names and addresses. Another set can have what they like, where they go, and how much time they spend on the computer.

Big data can be used in many ways. The government uses it to understand how many people travel on buses or trains. This information is then used to make bus or train systems better. Some schools use big data to understand which children may need extra(额外的)help in class. The teachers can then give certain students more help or support so those students can succeed in school. Companies use big data, too. It helps them understand who buys their products. For example, one company uses weather data to see when people eat the most ice cream.

Big data can be used for good reasons. Some hospitals use big data to predict(预测)if a baby who was born too early will get sick. The hospital can then take extra steps to take care of that baby so he or she does not get sick. Big data can also be used for bad reasons. It can be used to predict which kinds of people are likely to break the law or hurt others even if they have not done anything wrong.

How can big data be used for good and bad things? It is because the computer programs used to look at big data and understand it are written by people. People think in a certain way. Because they think a certain way, they build a model of those ideas. These ideas are then used to look at the data. Sometimes, these ideas are helpful for people or businesses. Other times, bad ideas can cause problems for certain groups of people.

阅读下列短文,根据短文意思,选出可以填入空格的选项。

Chopsticks are an important tool to have meals in China.

When were chopsticks invented?

{#blank#}1{#/blank#} They were invented before Shang Dynasty. The earliest   chopsticks were made of bronze (青铜). They were 26 centimetres long and 1.1 to 1.3 centimetres wide. People used them to pick up food at that time.

{#blank#}2{#/blank#}

Most people believe that Chinese invented chopsticks. There are many stories about the inventor of chopsticks. Someone says that Jiang Ziya, a wise man, created chopsticks. Actually, no one knows for sure. We can only say that the inventor was a clever ancient Chinese.

What shape are chopsticks?

Chopsticks have the shape of being square above and circle below. Chinese believe that the Earth is square and the sky is circle. {#blank#}3{#/blank#}

How are chopsticks used?

Many people think it's difficult to use chopsticks. {#blank#}4{#/blank#} Hold them between the thumb and other fingers. The key is to hold one piece tight and move the other to control movement and force. Remember, practice makes perfect.

Chopsticks are also one important part of Chinese culture. In China, it is polite to pick up food for the old. {#blank#}5{#/blank#} And never make your chopsticks stand straight in a rice bowl. Don't use chopsticks to hit the side of your bowl, either.

A. In fact, it's not.

B. Who invented chopsticks?

C. This shows respect to the nature.

D. Chopsticks first appeared in ancient China.

E. But it's impolite to point at others with them.

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