Energy efficient light bulbs increase greenhouse gas emissions. Also, you should flip the light switch off when you leave the room.
Aefficient
Bincrease正確答案
Cswitch off
Dleave
答案與詳解
為什麼答案是 B
increase（增加）與前文 energy efficient（節能）的邏輯矛盾，節能燈泡應減少（decrease 或 reduce）溫室氣體排放。
載入中…
