单项选择题

Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Now, listen to the passage.
In the earliest times, children needed to learn ______.

A．how to get adapted to the environment
B．how to eliminate something dangerous
C．how to forecast weather
D．how to control moving objects

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单项选择题

单项选择题

Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now, listen to the passage. In the earliest times, children needed to learn ______. 您的浏览器不支持 audio 元素。