下列哪种情况下,能量代谢率最低
A. 熟睡时
B. 完全静息时
C. 进食 l2h 后
D. 全身肌肉松弛时
E. 室温在 20℃~25℃
促进机体产热最重要的激素是
A. 肾上腺素
B. 去甲肾上腺素
C. 甲状腺激素
D. 雌激素
E. 孕激素
Which of the following is not a security attack?
A. DoS attack
Back door
C. Phishing
D. Thread
Which of the following is a technique that uses a Web page that looks like an official part of some trusted environment?
A. DoS attack
B. Phishing
C. Back door
D. Man-in-the-middle attack