一．单词应用
根据单词的首字母或汉语意思填写正确单词，注意形式变化
1. Today’s d_________ question is “The economy or the environment—must we choose?”
2. If you have any questions or comments, you can use this time to v_________ them.
3. I’m talking to you today about the way large areas of the world are damaged by i____________ waste.
