请大家参考哦！
1．题目：The part of the brain important for a person's learning and memory is
答案：D）the hippocampus.
2．题目：When the levels of cortisol go higher, the hippocampus in the brain may
答案：B）become smaller.
3．题目：According to the article, when people feel too worried or nervous or when they overwork.
答案：A）the adrenal glands will produce a stress hormone.
4．题目：It appears that when the total volume of the hippocampus becomes smaller as a result of high blood levels of cortisol, other brain regions
答案：C）may remain the same in size.
5．题目：The research conducted by Porter and Landfield shows that
答案：B）changes in the levels of adrenal hormones may affect brain aging.
速记口诀：
压力大会损害记忆
1．海马区，控制学习与记忆 ____________________
2．海马区会变小 ____________________
3．忧虑产生荷尔蒙 ____________________
4．海马区变小时，其他区仍不变 ____________________
5．荷尔蒙，大脑老化有关联 ____________________ [卫生类B]
