单项选择题What is the best title for this passage
单项选择题As used in the last sentence, the phrase in short means_____.
单项选择题From paragraph 4, we can deduce that_____.
单项选择题The author's attitude towards intelligent seem to be that_____.
单项选择题When the author says that it' s not crazy to think about the impact of this on evolution, he means_____.