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Why is debate important？

• A、It helps people understand others better.

• B、It allows people to present their opinions.

• C、It develops one' s thinking and communicative competence.

• D、It gives one the opportunity to brush others' opinion aside.

What is the conclusion of the study?

• A、Apple consumption has greatly reduced US adults' trips to the doctor

• B、An apple a day does keep the doctor away

• C、Apples are far more nutritious than oranges.

• D、A small number of US adult apple eaters tend to take less medicine