单项选择题
Those superior states of mind do not come from ______ a...
单项选择题Those superior states of mind do not come from ______ an alien culture.
Body paint is used mostly by men in preliterate societi...
单项选择题Body paint is used mostly by men in preliterate societies in order to attract good health or to ______ bad luck.
Nowhere in nature is aluminum found free, owing to its ...
单项选择题Nowhere in nature is aluminum found free, owing to its always ______ with other elements, most commonly with oxygen.
