单项选择题

It can be inferred from the news item that ______.

A. people must spend a lot to do the blood test
B. people can do the blood test for free
C. people can afford to do the blood test
D. people can’t have an access to the blood test
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单项选择题
Which of the following statements is INCORRECT about the effect of cheese
A. Cheese can help reduce the acid in the mouth.
B. Cheese can help strengthen the teeth.
C. Not all cheese can help with your dental health.
D. Cheese can boost your physical health.
单项选择题
To prevent dental disease, we should take a range of ______ of Vitamin C per day.
A. 25-2,000 milligrams
B. 60-2,000 milligrams
C. 75-2,000 milligrams
D. 80-2,000 milligrams
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