单项选择题 The author of the passage puts the word "savage" and "barbarian" (lines 9-10) in quotation marks most probably in order to

单项选择题 In presenting his analysis, the author does all of the following EXCEPT

单项选择题 Current estimates put thirteen percent of global flora at risk of extinction, but this number does not include______plants from tropical regions, where the majority of the world’s plants grow.