It can be inferred from the passage that scientists are currently making efforts to observe which of the following events

单项选择题From the sentence Like Proust, the French author whose experiences became his literary capital, man can recapture the past. you can tell that Proust

单项选择题The word contingencies underlined here means

单项选择题This article is about

单项选择题According to the article, which of the following statements is TRUE

单项选择题It is significant that chimpanzees make tools, but it is more important that