A．Individual states.B．Federal government.C．Taxes of cit……

单项选择题A．The relationship between man and his environment.B．The relationship between living things and their environment.C．The relationship between man and living things.D．The relationship between man’’s brain and other living things.

问答题Which word in the first two paragraphs best explains why many women have to work

单项选择题According to the passage, there are more myths about the common cold than any other human disease because________.

单项选择题The hydra is a kind of ________.

单项选择题Eating too much salt can raise your cholesterol.