—What’s the low-carbon life style like?
—Save __________ energy, produce __________ carbon.
| A．more; more | B．less; more |
| C．less; less | D．more; less |
—What’s the low-carbon life style like?
—Save __________ energy, produce __________ carbon.
| A．more; more | B．less; more |
| C．less; less | D．more; less |
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