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When Jason Esterhuizen was 23 in 2011, a...

    When Jason Esterhuizen was 23 in 2011, an accident blinded him. Now, eight years later, special glasses and a device (装置) inside his brain are  allowing him to make out some details of the world around him.

In 2018, Jason moved from South Africa to California to join in a study that offered the possibility of helping him with his sight. Run by University of California and a company called Second Sight, the study aimed to lest an unusual medical product called Orion.

There are three important pieces to Orion. One part looks like a pair of glasses holding a camera on the person’s head, which also sends wireless signals .The second part is a tiny computer processing (处理) the video from the camera ― that’s where the sight comes from. The third part is a tiny device implanted (植入) directly into the patient’s brain, which is new and different about Orion.

For years, Second Sight and other companies have been working on ways to send visual information into the brains of blind people. Most of the efforts have focused on connecting to the retina (视网膜).By sending electrical signals to the retina, some visual information can be sent to the brain. So far Second Sight has given about 350 people retinal implants.

But a retinal implant wasn’t possible for Jason. That’s why Orion’s direct connection to the brain was especially interesting to him. Dr. Nader Pouratian, who gave Jason his implant, said, “With the system we’re testing now, you don’t even need to have eyes for the device to work.” Jason is one of the six trying out the Orion in the world.

Although Jason still can’t see normally, he can tell dark from light. He says he sees little white dots on a black background, like looking up at the stars at night. “Now I can do things that I couldn’t do before. It’s making my life much easier.”

1.What does the underlined words in the first paragraph mean?

A.ignore B.understand

C.recognize D.prove

2.What is mainly talked about in paragraph 3?

A.Where our sight comes from. B.How the product Orion works.

C.How people with glasses see. D.What differences Orion has.

3.Why did Mr. Esterhuizen agree to test the Orion?

A.He was interested in Orion. B.Orion is equipped for free.

C.He wanted to move to America. D.Orion helps him recover some sight.

4.What can we infer from the passage?

A.Orion is worn by the patient on the head.

B.Orion has been implanted in 350 people.

C.Orion brings simple sight to the blind.

D.Orion isn’t fit for patients without retinas.

 

1.C 2.B 3.D 4.C 【解析】 本文是说明文。当Jason Esterhuizen在2011年23岁的时候,一场事故使他失明了,八年后,依靠一副特殊的眼镜和一个植入在大脑里的装置让他恢复了一些视力,能够分辨出周围世界的一些细节,文章介绍了这个叫Orion的装置。 1.词义猜测题。根据第一段中的When Jason Esterhuizen was 23 in 2011, an accident blinded him. Now, eight years later, special glasses and a device (装置) inside his brain are allowing him to make out some details of the world around him.可知,2011年,23岁的Jason Esterhuizen在一次事故中失明;八年后,一种特殊的眼镜和大脑里的一种装置让他能够make out周围世界的一些细节。根据语境可推知,划线词组make out意为“分辨”。结合选项A. ignore忽视;B. understand理解;C. recognize辨认;D. prove证明。故选C。 2.主旨大意题。根据第三段中的There are three important pieces to Orion. One part looks like a pair of glasses holding a camera on the person’s head, which also sends wireless signals .The second part is a tiny computer processing (处理) the video from the camera ― that’s where the sight comes from. The third part is a tiny device implanted (植入) directly into the patient’s brain, which is new and different about Orion.(Orion有三个重要的部分。其中一部分看起来像一副眼镜,在人的头上架着一个摄像头,它也会发送无线信号。第二部分是一个微型计算机处理来自摄像机的视频——这就是视觉的来源。第三部分是一个微小的设备直接植入病人的大脑,这是Orion的新奇之处)可知,第三段介绍了Orion产品的工作原理。故选B。 3.推理判断题。根据第五段中的But a retinal implant wasn’t possible for Jason. That’s why Orion’s direct connection to the brain was especially interesting to him.可知,对杰森来说,植入视网膜是不可能的,这就是为什么他对Orion与大脑的直接联系特别感兴趣。由此推知,埃斯特豪森先生同意测试Orion因为它可以帮他恢复视力。故选D。 4.推理判断题。根据最后一段中的Although Jason still can’t see normally, he can tell dark from light. He says he sees little white dots on a black background, like looking up at the stars at night.可知,虽然杰森还是不能正常地看东西,但他能分辨黑暗与光明;他说,他在黑色背景上看到小小的白点,就像在晚上抬头看见星星一样。由此推知,Orion能给盲人带来简单的视觉。故选C。
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