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PRACTICE TEST 1 The word "milestone" in the first sentence is closest in meaning to

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The Mirror Test
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Very young children cannot recognize themselves in a mirror; they usually achieve this milestone around 18 months of age. The ability to recognize oneself in the mirror is considered to be a key component of self-awareness and consciousness for humans. But what about animals

For many years, scientists have known that members of the great ape family could recognize themselves in mirrors. They measured this by the mirror test, which involved putting a colored mark on an ape's body, and then showing the ape its reflection in a mirror. If the ape tried to remove the mark on its own body, the scientists knew that the ape was recognizing its reflection.

Apes are close relatives of humans, but in recent years, scientists have discovered that other animals also pass the mirror test. Elephants and dolphins have shown signs of self-recognition. These like apes, are highly intelligent animals. But in a more recent experiment, a type of fish called the cleaner fish tried to scrape a mark off its body when it saw itself in the mirror. This suggests that even less intelligent animals may possess more self-awareness than previously suspected.

2.The word "milestone" in the first sentence is closest in meaning to

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正确答案:A
题目解析:
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"1. 题干:第一句中的“milestone”一词含义最接近哪个选项?(原文:The word ""milestone"" in the first sentence is closest in meaning to) 2. 分析 题目类型: 词汇题 解题策略: 此题需通过上下文语境推测单词含义,解题关键是锁定“milestone”所指代的具体内容。 3. 定位信息理解 原文定位: “Very young children cannot recognize themselves in a mirror; they usually achieve this milestone around 18 months of age.” 信息理解: 前半句说明幼儿无法在镜子中识别自己,后半句“achieve this milestone”对应“学会在镜子中识别自己”这一能力,“milestone”在此处指“阶段性的能力达成”。 4. 分析选项 (A) accomplishment(成就、成果) 分析: 与“achieve this milestone”(达成这一阶段性能力)的语境完全匹配,“accomplishment”可表示“能力上的成果”。此为正确答案。 (B) distance(距离) 分析: 与“识别自己”的能力无关,不符合语境。 (C) weight(重量) 分析: 与上下文内容无关联,不符合。 (D) discovery(发现) 分析: “在镜子中识别自己”是能力的发展,并非“发现”新事物,不符合语境。"

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