#4 correct; #5 I don't know

来源: 2003-12-15 10:25:00 [旧帖] [给我悄悄话] 本文已被阅读:

Do you know the answer to #5 for sure, or are you guessing? I thought it probably had something to do with the difference between the two hemispheres of human brains, but I am quite ignorant of physiology, among many other things.