仿生手臂的科技新进展
A bionic(仿生学的) arm is not a real arm. It is mechanical(机械的). It works like a real arm. It changes a person’s life. A person does not need so much help from other people anymore because he has this arm. He can play games or ride a bike. He can tie his shoes.
Campbel Arid got his bionic arm in 1998. He was the first person with a bionic arm in the world. His arm weighed 1.8 kilograms. It used a battery(电池).
Now the technology(技术) is changing very quickly. Today’s bionic arm reads signals from a person’s muscles(肌肉). Scientists believe that the technology will change soon. New technology will make a bionic arm read a person’s mind.
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1.What can we learn about the bionic arm from paragraph(段落) 1 and 2?
A It doesn’t work well.
B It looks like a real one.
C It doesn’t need power.
D It can help a person a lot.
解析：选D。D 推理判断题。根据第一段A person does not need so much help from other people anymore because he has this arm.可知，因为一个人有了这种手臂，他就不再需要别人那么多的帮助。由此说明仿生手臂可以帮一个人很多忙。故选D。
2.What can not a person do after getting a bionic arm?
A He/She can tie the shoes.
B He/She can climb trees.
C He/She can ride a bike.
D He/She can play games.
解析：选B。B 细节理解题。根据第一段He can play games or ride a bike. He can tie his shoes.可知，如果一个人有了仿生手臂，他可以玩游戏或骑自行车。他会系鞋带。文中并未提及他可以爬树。故选B。
3.When did Campbel Arid have his bionic arm?
A In the 1970s.
B In the 1980s.
C In the 1990s.
D In the 2000s.
解析：选C。C 细节理解题。根据第二段Campbel Arid got his bionic arm in 1998.可知, 坎贝尔·安德在1998年(即上世纪90年代)获得了他的仿生手臂。故选C。
4.Which of the following is TRUE?
A Campbel Arid’s bionic arm was not heavy.
B The first bionic arm had no battery.
C Campbel Arid made the first bionic arm.
D Campbel Arid lost his bionic in an accident.
解析：选A。A 推理判断题。根据第二段His arm weighed 1.8 kilograms.可知，他的手臂重1.8公斤。由此说明该仿生手臂不重。故选A。
5.What’s the main idea of the last paragraph?
A A person’s mind.
B Scientists’ new ideas.
C The change of technology.
D The signals from a person’s muscles.
解析：选C。C 段落大意题。根据最后一段Now the technology(技术) is changing very quickly.可知，现在技术变化非常快。故选C。