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Have you ever played the Go game(围棋)before? If yes, you may know how challenging it can be. The Go game is usually played _________ two people. But on March 9, Google's computer program AlphaGo challenged world human Go champion Lee Sedol(李世石)of South Korea. And AlphaGo _________ Lee 4-1.

A1phaGo, an artificial intelligence (AI, 人工智能)program made _________ Google's DeepMind , has studied 30 million moves from games played by human experts. It has also played against itself to remember those moves _________ , AlphaGo is able to find out what the board will likely look like several moves ahead of time. So then it can make the best _________ .

AI is when computer or computer software are able to have intelligent behavior, such as thinking or _________ like a human. In our daily life, we already use AI in some ways - Apple's Siri and _________ engines like Baidu and Google.

British computer scientist Alan Mathison Turing is considered the father of AI. He _________the Turing Test(图灵测试)to find out _________ machines could actually think. The Turing Test goes like this: A computer can be called intelligent if it could fool a human into believing that it was human, Turing wrote in 1950.

Some people may worry whether computers are now smart enough to do everything. But experts say that is not the _________ . Real life problems can be more complicated(复杂的)than the Go game.

1.A. between B. in C. among D. of

2.A. hit B. win C lose D. beat

3.A. in B. by C. of D. from

4.A. In this way B. After all C. As usual D. In public

5.A. designs B. mistakes C. choices D. possibilities

6.A. smiling B. walking C. acting D. looking

7.A. Internet B. website C. search D. computer

8.A. created B. invented C. discovered D. found

9.A. when B. whether C. what D. why

10.A. way B. end C. reason D. case

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When the bell rings, every student takes out an iPad. The light from the screens makes their young faces pretty and lively. That’s what happens every day at my school in the US. We use iPads in class.

I felt surprised and excited when I got an iPad the first day I arrived at the school. But it was not free. I spent about $100 to rent (租) it for three years.

Every iPad at my school has a special learning system (系统) called Focus. Teachers put their teaching materials(材料) like textbooks and PPTs on it. When we have classes, we enter the system and download (下载) the materials with our iPads.

It makes the classes interesting and efficient (高效的). For example, a few weeks ago, we learned about London in the UK. Our teacher prepared a video. Through the video, we saw many places of interest in London. We could not only watch the video, but also see the words at the same time. Because of the video, I know more about the city.

We also do our homework with iPads. We can know how well we do our homework right after we hand in our homework.

However, there are still some bad points about learning with iPads. Some of my classmates play games or surf the Internet in class.

I believe the key to use iPads well is to have good self-control (自制), isn’t it?

1. In the writer’s class, every student ________.

A. gets a free iPad from the teacher

B. plays games on iPads in each class

C. shares an iPad with their classmates in class

D. rents an iPad to use at school for three years

2.The underlined word “Focus” is ________.

A. the name of the iPad at school

B. PPTs and videos

C. teachers’ teaching materials

D. a special learning system

3.When students are learning with iPads, they should not ________.

A. play games

B. watch any videos

C. download the materials

D. hand in the homework

4. According to the example in Paragraph 4, we learn that ________.

A. students don’t like to use iPads in class

B. iPads are not useful when having classes

C. students use iPads to watch videos every class

D. iPads make the classes interesting and efficient

5.What is the right way the writer think of using iPads in school?

A. Students should use iPads as often as possible.

B. To use iPads in school is very bad for students’ eyes.

C. Students should have good self-control when using iPads.

D. All students should use iPads to surf the Internet in class.

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