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托福mock test 7阅读 Adaptive Memory 题目解析

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Adaptive Memory

Human memory has long been considered a static repository for information, but recent research suggests that it is far more dynamic . Adaptive memory refers to the idea that our minds prioritize and are better at remembering information relevant to survival. For example, people are often better at recalling details about foods, animals, and places that might pose threats or offer benefits.

Researchers have conducted experiments in which participants remembered words related to survival better than other types of words. One experiment presented participants with lists of words categorized by themes such as survival, hunting, and foraging. They recalled more words from lists linked to survival scenarios, suggesting that our brains prioritize survival-related information.

Research shows that memory systems also seem designed to discard irrelevant details while retaining useful ones. This adaptability may have been crucial for early humans who needed to remember locations with abundant rather than scarce food supplies or to avoid areas where dangerous predators had been encountered. Another study found that participants who imagined themselves in ancient survival scenarios had better recall of word lists than those who were asked to imagine themselves in non-threatening scenarios. This indicates that the context in which information is presented can significantly impact how well it is remembered.

1.The word "dynamic" in the passage is closest in meaning to

A. important

B. changing

C. unreliable

D. confusing

你的答案：

正确答案：B

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题目解析：

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题干题型分析：词汇题，考查 “dynamic” 的近义词。定位理解：定位首段 “Human memory has long been considered a static repository for information, but recent research suggests that it is far more dynamic”，“but” 表转折，因此 “dynamic” 与 “static（静态的）” 是反义词。选项辨析： A（重要的）、C（不可靠的）、D（令人困惑的）均不符合反义逻辑； B（变化的）与 “static” 构成反义，契合语境，正确。

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