63. WHAT DOSE THE BRAIN TRY TO MAINTAIN, ACCORDING TO SOME PSYCHOLOGIS...

63 . - 2 DE THI THU DAI HOC CHUYEN THAI BINH CO DAP AN
Tiếng Anh 2 DE THI THU DAI HOC CHUYEN THAI BINH CO DAP AN
63

. What dose the brain try to maintain, according to some psychologists?

A. A high temperature. C. A certain level of arousal. B. A low temperature.D. A sense of safety.