25. What is the passage mainly about?
A) How biochemical changes occur in the human brain.
B) Why people should receive special mental training as they age.
C) How intellectual activities influence brain-cell health.
D) Why people should keep active not only physically but also mentally.
【四级考试阅读备考笔记(70)】相关文章:
★ 2013年6月英语六级考试备考深度阅读试题模拟与解析(11)
★ 2012年12月英语六级阅读理解备考训练题和答案详解(2)
最新
2016-10-18
2016-10-11
2016-10-11
2016-10-08
2016-09-30
2016-09-30