To objectively justify the proposed solution, both positive and negative aspects should be mentioned, but the negative sides must not outweigh the positive ones.
举一反三
- Basic research has: A: Positive externality B: Negative externality C: Both positive externality and negative externality D: Neither positive externality nor negative externality
- Calcium levels in the blood are regulated by A: positive feedback mechanism. B: negative feedback mechanism. C: neither positive or negative feedback. D: both positive and negative feedback.
- Which of the following statements is correct? A: Government should tax goods with either positive or negative externalities. B: Government should tax goods with negative externalities and subsidize goods with positive externalities. C: Government should subsidize goods with either positive or negative externalities. D: Government should tax goods with positive externalities and subsidize goods with negative externalities.
- Image can have only ………….…integer pixel values, whereas grid can have………….…. and ………….….real and …….……..cell values.____ Negative, Negative, Positive, IntegerPositive, Negative, Negative, Integer ____ Positive, Positive, Negative, Int____ Negative, Positive, Positive, Realc
- Gift-giving both has positive and negative aspects.