单项选择题

A．Improve relationships.
B．Control patients’ pain.
C．Prevent heart disease.
D．Improve concentration.
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单项选择题
A．Lending something to a student. B．Asking for some financial aid. C．Reading a student’s application. D．Borrowing money for a business.
A．Lending something to a student.
B．Asking for some financial aid.
C．Reading a student’s application.
D．Borrowing money for a business.
单项选择题
A．Jefferson’s views about commercialized agriculture. B．International trade in the nineteenth century. C．Improvements in farm machinery in the United States. D．Farmers’ loss of independence.
A．Jefferson’s views about commercialized agriculture.
B．International trade in the nineteenth century.
C．Improvements in farm machinery in the United States.
D．Farmers’ loss of independence.
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