根据加涅智慧技能层次理论的分类，学生能理解哺乳动物的本质特征属于（ ）。

(单选题)What does the author quote Jerlyne Ong’s message? (单选题)Kevin Janson mentioned Margaret Thatcher in order to ______. (单选题)What is the meaning to the underlined word in the third para (单选题)According to the research, we can learn that ______. (单选题)Why are women with wide faces easy to succeed? (单选题)According to the passage, most children tend to believe that (单选题)The author raises the questions in Paragraph 2 to introduce (单选题)By saying Sunday is more like Monday than it used to be, the (单选题)Which of the following can best summarize the main idea of t (单选题)Different from other security software, Retriever can ______