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Question:

Which of the following choices is NOT an appropriate way to express an opinion in a formal debate?

A It is the height of hypocrisy to acknowledge that global warming is a problem and then still tool around in a gas-guzzling car.
Explaination

It is the height of hypocrisy to acknowledge that global warming is a problem and then still tool around in a gas-guzzling car. This is the only choice that fails to maintain a formal, objective stance.