【简答题】P90-3从下列词组中选出合适的单词或短语,用其正确形式完成句子。选项中有一项为多余选项。 water conservation carbon footprint LED bulb reusable water bottle renewable energy smog light pollution greenhouse effect carbon dioxide 1.You can walk o...
【单选题】Eager to put off demands that measures be taken to reduce use of dirtier coal, and focus on the nation's grim economic realities, the British Government sprang into inaction. But Macmillan understood ...