Laurels are valued for their aromatic oils and spices, edible fruits, and timber.

单项选择题John Locke, the well-known 18th-century English thinker, emphasized experience as the ______ condition for expansion of human knowledge.

单项选择题It is very plain that such a life as this is far more ______ to health than that of the man who can afford little leisure for necessary rest in the course of the day.