单项选择题

A．They are not the solution to dietary problems.
B．They do not illustrate all the food groups.
C．They are not based on medical research.
D．They are only to wealthy people.
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单项选择题
The Greenland Inuits’’ rheumatoid arthritis levels are the lowest in the world.
A．Y
B．N
C．NG
单项选择题
What does the flowering refer to in the 5th paragraph
A．The process that human beings form their moral values gradually.
B．The way that people deal with moral education.
C．The solution which can be adopted in moral education.
D．The concept of moral values.
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