It’sa small step for Steve, but could this be a great progress in paralysis(瘫痪)？-组卷网

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It’s a small step for Steve, but could this be a great progress in paralysis(瘫痪)？

Steve’s arms and legs were paralyzed after a fall four years ago. But when he’s wearing this robotic suit, he can use his thoughts to move again.

Learning to walk came quite quickly, but using the exoskeleton(外骨骼) to correctly bend and stretch his arms or turn his wrists took much longer.

So how does the exoskeleton work? Well, first Steve has electric device on the surface of his brain. They are reading his thoughts, his brain activity, his brainwaves, and they are being sent to a computer. Now, the computer has to receive that information at once and change that brain activity into orders, which are sent to the exoskeleton. From thought to movement, it takes less than a third of a second.

Steve first used this electric device in his brain to control a computer game before trying the exoskeleton. Now the French researchers plan to test the technology on three more patients.

This experimental exoskeleton is not going to become widely used soon. If you look, Steve’s body is connected to the ceiling of the room to stop him falling over. It means the exoskeleton can’t be used outside the lab. And it is also too expensive for most of the world to benefit. But this is still a breakthrough and shows the potential of technology to change lives.

【小题1】What’s the usage of the underlined sentence in Paragraph 1 ?

A．To question the usefulness of the exoskeleton.

B．To lead in the topic and make readers interested.

C．To compare with the former part of this paragraph.

D．To offer the result of the experiment in advance.

【小题2】According to the text, how does the exoskeleton work?

A．Brain→Computer→Orders→Exoskeleton

B．Exoskeleton→Orders→Computer→Brain

C．Orders→Computer→Exoskeleton→Brain

D．Computer→Orders→Brain→Exoskeleton

【小题3】What do we know about the experimental exoskeleton?