【答案】BACD
【文章大意】本文是一篇科普说明文。研究表明，放松心情更有利于提高工作效率，更有利于解决创造性的解决问题；压力阻滞了神经细胞信号的传输，只会导致工作效率下降。
21【解析】根据第二段第三句中“…your most inventive time comes in the early evening when you are relaxed.”以及下文对压力阻滞了神经细胞信号的传输可知，放松使我们更具有创造性，故B项正确。
22【解析】根据第一段倒数第二句中“…the newspaper with depressing stories or reports of disaters.”，可知报纸上总是充满了负面新闻，故C项正确。
23【解析】根据语境可知，若一味集中注意力而无暇放松，将错失有创造性的解决问题的方法。C项意为“不将注意力故放在某事物上”，符合语境，故C项正确。
24【解析】通读最后一段可知，该段主要讲述对如何放松心情提出一些建议，如
提早起身、洗热水澡、做深呼吸等等，故D项正确。
B
Researchers found that people become happier and experience less worry after they reach the age of fifty. In fact, they say by the age of eighty-five, people are happier with their life than they were when they were eighteen years old.
Arthur Stone in the Department of Psychiatry and Behavioral Science at Stony Brook University in New York led the study. His team found that levels of stress were highest among adults between the ages of twenty-two and twenty-five. The findings showed that stress levels dropped sharply after people reached their
