题目

Working out helps you deal with stress in your job, relationships or any area of life. It is possibly    11    exercise is a form of stress itself and helps your body deal with it in a better way. Australian researchers found that those    12    did 30 minutes of aerobic (有氧的) exercise three times a week responded better to stress and had    13   (low) blood pressure. Even    14   little exercise, from an easy 10-minute walk to an intense aerobics, seems to decrease your feeling    15   anxiety. Working out regularly may make you smarter now and lesse 据《与公肃甥书》记载：“忆昔时邸报，至（明）崇祯十一年方有活板（版），自此以前，并是写本。”对“活版”理解正确的是 [　　] A．活版技术从明代开始使用 B．活版之前信息传递均用手抄 C．活版最早使用的是木活字 D．活版在四大发明中出现最晚