题目内容

Leonardo Nicanor Quinteros is a middle school student in Argentina (阿根廷) , but he runs a little school to help children with their studies.

Leonard’s middle school is far away from his home. He noticed that fewer and fewer children in his town went to school with him. Later he found out the truth that those children had little money to pay for the bus ride to the school. Knowing this, Leonardo decided to do something to help them. He told his grandmother that he decided to build a school and he asked her to help him build it next to her house. His grandmother agreed.

It takes Leonardo 20 minutes to ride to his “school”. Every day, rainy or snowy, he goes there to teach classes on different subjects for free after his school day ends. Sometimes, when his students can’t go to school in the daytime, he teaches the classes at night, to make sure they don’t get behind on their studies.

Now the school has about 40 children. There are also a few adults. Leonardo is still doing his best to help the students and many say that going to his school is great. Leonardo is happy that he can make a big difference to his students.

1.Many children in the town stop going to school because________.

A.they had to work at home B.the road to school was not good

C.they couldn’t afford the bus ride D.they didn’t have money to pay the fee (学费)

2.How long does it take Leonardo to get to his little school?

A.10 minutes. B.15 minutes.

C.20 minutes. D.25 minutes.

3.We know that Leonardo is a_______ boy from the passage.

A.careless and lazy B.smart and strict

C.quiet and smart D.kind and hard-working

4.Which of the following statements is FALSE?

A.Leonardo built a school next to his home.

B.Leonardo goes to his school to teach different subjects.

C.Leonardo is a middle school student in Argentina.

D.Leonardo teaches the classes sometimes in the daytime, sometimes at night.

5.We can learn from the passage that_____.

A.Leonardo built a little school by himself

B.Now Leonardo has more than 20 students

C.Many students say that going to Leonardo's school is boring

D.Leonardo teaches not only children but also adults in his school

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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 in the data. Big data can have different kinds of information from many sources, such as information that comes from schools, social media 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 to school, 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 help in class. The teacher 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 if a baby who is 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 thing? It is because the computer programs are written by people. People think in a certain way, and 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.

1.Big data can have different kinds of information from many sources. Information that comes from ____________ is not mentioned (提及) in this passage.

A.schools B.governments C.police stations D.hospitals

2.One company uses weather information to ___________.

A.help children in need B.find out who take the bus or train

C.know when people will visit the hospital D.understand when people will need ice cream

3.The main idea of Paragraph 3 is that ____________.

A.we can use big data in a number of ways

B.big data can be only used for good reasons

C.big data can be used for both good and bad reasons

D.we can use big data to stop babies from getting sick

4.The passage is mainly about ____________.

A.what big data is and how it is used

B.what schools and hospitals people like

C.where important data is collected and stored

D.how big data is controlled by governments and companies

5.This passage is _____________.

A.sad and personal B.personal and scientific

C.informative but silly D.scientific and informative (提供有益信息的)

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