We learn from the first paragraph that laughter Doctors have found that laughter

admin2009-06-15  39

问题 We learn from the first paragraph that laughter
Doctors have found that laughter

选项 A、keeps down blood pressure.
B、has similar effects to physical exercise.
C、decreases the heart rate.
D、increases stress.

答案B

解析
转载请注明原文地址:https://kaotiyun.com/show/0rmd777K
0

随机试题
最新回复(0)