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In 2020, a swimming pool accident changed Keith Thomas's life. He became paralyzed from the neck down. He could not move his arms or legs. He also lost all feeling in these parts of his body. But a new medical experiment has given him back some movement and feeling.

In 2023, Keith joined a special experiment at a research center. Doctors put small devices in his brain. These devices can read brain signals. They also placed pads on his spinal cord and arm. When Keith wants to move his arm, the devices read his brain signals. A computer then sends signals to the pads. This makes his arm muscles move.

The system also helps Keith feel things again. There is a special pad on his arm. It can sense touch and force. When someone touches his arm, the pad sends a signal back to his brain. Slowly, Keith got back the feeling of touch. He said it was amazing to feel again after so many years.

Now Keith can do many things by himself. He can scratch his nose, wipe his mouth, and even feed himself. He can hold a delicate eggshell without breaking it. Most importantly, he can enjoy special moments again. He can pet his dog and hold his sister's hand.

The most surprising part is that his improvement has lasted for over two years. Even with the system turned off for months, he can still move and feel his arms. Scientists believe the system has helped his nervous system work in a new way.

This experiment gives hope to many paralyzed people. However, scientists say we must be careful. Keith was the only person in this experiment. They still do not know if this method will work for others. More research is needed.

1. What could Keith NOT do after the accident?A. Move his arms or legs.B. Speak to his family.C. Remember his past.D. See things clearly.

2. How does the special system help Keith move his arm?A. It reads brain signals and orders his muscles.B. It uses a robot to move his arm for him.C. It repairs the damaged nerves in his arm.D. It gives him medicine to wake up his muscles.

3. What does the word "delicate" in Paragraph 5 probably mean?A. heavy and hard.B. large and strong.C. easy to break.D. cheap to buy.

4.What is the writer's opinion about the experiment?A. It is perfect and works for everyone.B. It is hopeful but more study is needed.C. It is too dangerous to try again.D. It is useless for paralyzed people.

短文填空（共10小题；每小题1分，满分10分）

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

In 2020, a swimming pool accident 1______________ (happen) to Keith Thomas. He became paralyzed from the neck down. He could not move his arms 2______________ legs. He also lost all feeling in these parts.

In 2023, Keith took part in a special experiment. Doctors put small devices in 3______________ (he) brain. These devices can read brain signals. They also placed pads on his spinal cord and arm. 4______________ Keith wants to move his arm, the devices read his brain signals. A computer then 5______________ (send) signals to the pads. This makes his arm muscles move.

The system also helps Keith feel things again. There is a special pad on his arm. It can sense touch and force. When someone touches his arm, the pad sends a signal back to 6______________ brain. Slowly, Keith got back the feeling of touch. He said it was 7______________ (amaze) to feel again.

Now Keith can do many things by 8______________ (he). He can hold a delicate eggshell without 9______________ (break) it. Most importantly, he can hold his sister's hand.

Scientists say this experiment gives hope to many people. However, Keith was the only person in the experiment. They still do not know if this method will work for 10______________ (other).