1. (2017高二下·仙桃期末) 阅读理解

    Anyone who has ever played the game of Tetris (俄罗斯方块) knows the game's surreal ability to spill into real life. After you shut off the game, you still see those Tetris blocks falling in your mind. You're grocery shopping and find yourself thinking about rearranging items on grocery shelves. Your mind continues to play the game, even when you're physically not.

    Robert Stickgold, a Harvard professor, noticed something similar after a day hiking a mountain. That night, he dreamt he was still going through the motions of mountain hiking. Curious about this, he tried something: he got a group of college students of various skill levels to play Tetris and let them sleep in the Harvard sleep lab.

    Over 60% of the students, including those who suffered from amnesia (健忘症), reported dreams of images of Tetris pieces falling, rotating (旋转), and fitting together. Interestingly, half the Tetris expert students reported such Tetris dreams, while 75% of the beginners did.

    A study found that playing Tetris can grow your brain and make it more efficient. Adolescent girls played the game for an average of 1.5 hours a week over three months. The cerebral cortex (大脑皮层) of the girls grew thicker, while brain activity in other areas decreased. Richard Haier, who had found that there was a "Tetris learning effect", in which the brain consumed less energy as mastery of the game rose, concluded, "The brain is learning which areas not to use."

    Haier's study showed that as the girls practiced playing the game, nerve cells made connections, communicating through synapses (a synapse is a connection between two nerve cells). When you learn something, you change those connections. Every time you reactivate(激活) a circuit, synaptic efficiency increases, and connections become more durable and easier to reactivate. Stickgold says sleep plays a role in this memory process.

    So to sum up, whenever you do specific tasks over and over again, they take up less of your brain power over time. And that's pretty amazing.

1. （1） What does the underlined part 'surreal ability' in the first paragraph mean?

   A . The game can help people arrange things in life. B . The game can be applied to many aspects of life. C . There are great similarities between the game and things in life. D . The mind continues to play the game when we are doing other things.
3. （2） What can we learn from Stickgold's study?

   A . More than half of the students dreamed of images of Tetris. B . Students having bad memories didn't dream of the game. C . The Tetris expert students were more likely to dream of the game than the beginners. D . More than half of the Tetris expert students didn't dream of the game.
5. （3） Playing Tetris for a long time can help ________.

   ①grow one's brain

   ②one's brain function efficiently

   ③arrange things tidily in life

   ④improve the adaptability of one's brain

   A . ①②③ B . ①②④ C . ②③④ D . ①③④
7. （4） The purpose of the passage is to ________.

   A . encourage people to play Tetris B . warn people to focus while doing things C . warn people not to play games before sleep D . tell people they will improve at something if they keep doing it