53.D 细节理解题。第七段中说奶奶没有快乐的休闲时间,也没有令人满意的工作,但奶奶却有家人和朋友的密切的联系网,因此奶奶也很幸福。由此可知奶奶的幸福来自于对生活的朴素的期盼。故选D。
54.B 推理判断题。根据第八段中的内容,因为有那么多的选择、有想成功的压力,我们很多人把快乐变成了比我们所拥有的更想要的东西。而那些把幸福和财富以及成功等同起来的人,太过于看重自己拥有幸福的权利了。故选B。
55.D 主旨大意题。根据作者整篇文章的论述,作者旨在告诉我们幸福的人就是容易满足的人。故选D。
阅读理解。
Since the 1970s, scientists have been searching for ways to link the brain with computers. Brain-computer interface(BCI) technology could help people with disabilities send commands to machines.
Recently, two researchers, Jose Millan and Michele Tavella from the Federal Polytechnic school in Lausanne, Switzerland, demonstrated(展示)a small robotic wheelchair directed by a person’s thoughts.
In the laboratory, Tavella operated the wheelchair just by thinking about moving his left or right band. He could even talk as he watched the vehicle and guided it with his thoughts.
“our brain has billions of nerve ceils. These send signals through the spinal cord (脊髓)to the muscles to give us the ability to move. But spinal cord injuries or other conditions can prevent these weak electrical signals from reaching the muscles,” Tavella says.
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