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单选题听录音，回答题

A．It helps us make polite choices．
B．It helps us get healthy exercises.
C．It guides us to have a balanced diet.
D．It guides us to eat enough foods.

参考答案C
解析:M: Do you know how many vegetables or fruits you're supposed to eat each day?
W: Umm..．Three? Two? I don't know.
M: Four at most.
W: No more than four? I mean that's the standard, right?
M: Yes, the government outlines how much you should eat in the food pyramid.(1) The food guidelines are supposed to help us make the right choices in picking up a healthy eating habit.
W: The food pyramid? It must look like a pyramid, but what's in it?
M: Well, the widest part of the pyramid shows the foods that should make up most of your diet, breads, cereals and grains．The next layer is fruits and vegetables, and (2) above that dairy and protein．Fats and sweets sit at the top, meaning you should eat the smallest amount of these things.
W: That sounds interesting．But the graphic seems a little confusing to me．Do you think so?
M: I would say that the only thing that is really confusing about it is that (3) they put all the foods in one spot．They should show the percentage you should eat of each．Not scattered all over.
W: Since it doesn't direct anything, it has no practical use.
M: In fact, the government is considering replacing the old icon with a new one．It's been reported that it will look like a dinner plate．So people can know what should be on their plates when they sit down to eat．(4) And also the size of the plate will shine a light on portion control.
What is the function of food pyramid?
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单选题

A．Dessert．
B．Grains．
C．Fruits.
D．Protein.

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单选题

A．Because all the foods are mixed up in the pyramid.
B．Because it describes the intake of foods.
C．Because it scatters all the foods outside the pyramid.
D．Because it is supposed to show the importance of exercise.

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单选题

A．It has developed from an old icon.
B．It can be put on a dinner plate.
C．It makes more sense than the dinner plate.
D．It shows the percentage of the food consumption.

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