Which of the following leads to more hostile and aggressive behaviors？
A. Cortisol
B. testosterone
C. pituitary
D. cxytocin
Tempest是在设计和生产计算机设备时，就已对可能产生电磁辐射的元器件、集成电路、连接线、显示器等采取了防辐射措施，把电磁辐射抑制到最低限度。()
Which of the following is true according to the text？
A. Experts ignored the tend-and-befriend response because they didn"t have a scientific explanation.
B. Men"s social networks are more likely to induce stress and confrontation.
C. Men cannot tend and befriend as they don"t release certain kind of hormones.
D. The connection between female aggression and nervous system arousal is not that obvious.
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