一吨碳折合二氧化碳的合理价格应该是上百欧元（或美元），现在定价比较低，只有20欧元
参考答案：对
词汇运用 用所给词的适当形式填空
1. Simon often _______________ lunch at school.(have)
2. Daniel and Millie ______________ members of the Reading Club now. (be)
3. Lucy has a _______________(dance) lesson every week.
4.There ______________ some water in the bottle. (be)
5. Most students _______________ TV on weekdays.(not watch)
6. Amy with his mother sometimes _______________ kites in the park in spring.(fly)
7. He went to school without ______ breakfast.( have )
8.My _________________ names are Bush and Mary. (grandparent)
9. Would you like _________________ football with us?(play)
10..My parents go _________________(shop) on Sundays.34.
客户是指( )。
A．付钱购买项目产品的个人或组织B．将要使用项目产品的任何个人或组织C．直接使用项目产品的个人或组织D．项目发起人
