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【单选题】In a purely biological sense, fear begins with the body’’s system for reacting to things that can harm us—the so-called fight-or-flight response. "An animal that can’’t detect danger can’’t stay alive...
A.
reactions of humans and animals to dangerous situations are often unpredictable
B.
memories of significant events enable people to control fear and distress
C.
people’’s unpleasant memories are derived from their feelings of fear
D.
the amygdala plays a vital part in human and animal responses to potential danger
【单选题】卫星现象指:
A.
淋巴细胞，单核细胞围绕血管
B.
神经元被5个以下少突胶质细胞环绕
C.
神经元被5个以上淋巴细胞环绕
D.
神经节细胞周围被鞘膜细胞环绕
E.
神经元被5个以上少突胶质细胞环绕