2. 职称英语
  3. What is the main idea of this passage? [br] Electrical impulses affect ______.A、

What is the main idea of this passage? [br] Electrical impulses affect ______.A、

游客2024-05-11  13
问题 What is the main idea of this passage? [br] Electrical impulses affect ______.
选项 A、long-term memory
B、short-term memory
C、structural changes
D、brain cells
答案 B
解析 本题是道细节题。本题答案的选择依据在文章最后一段： Short-term memory involves electrical impulses since at a temperature where electrical activity ceases，there is no memory. Long-term memory，in contrast, is unaffected by the disruption of electrical activity and may involve structural changes in brain cells．B项是符合本题要求的正确选项。
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