A. be an indicator of cognitive ability B. vary among individuals within a species C. be related to food consumption D. correspond lo levels of activity 参考答案:A 答案解析:推理题。作者在文章第二段举蜜蜂跳舞交流食物地点的例子提到"No one has yet explained how bees,whose brains weigh four ten-thousandt
第32题: [单项选择]{{B}}Passage One
Questions 26 to 29 are based on the passage you have just heard.{{/B}} A. Heavy homework loads. B. Long hours’ work without play. C. Carrying heavy backpacks. D. None of the above. 参考答案:C 答案解析:[听力原文]
What makes many kids have back or neck pain