Task 1 : There are five short dialogues about developing economy. Listen carefully and choose the best answer to each question.Q: What percentage of the world's water is fresh water?[音频]
A. 25%
B. 2.5%
C. 30%
D. 70%
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Task 1 : There are five short dialogues about developing economy. Listen carefully and choose the best answer to each question.Q: Which is NOT mentioned by the woman?[音频]
A. Windmill.
B. Coal.
C. Oil.
D. Natural gas.
Task 1 : There are five short dialogues about developing economy. Listen carefully and choose the best answer to each question.Q: What does the woman mean?[音频]
A. Many poor people live in France.
B. Many poor people live in Latin America.
C. Many poor people live in United States of America.
D. Many poor people live in Sweden.
Task 1 : There are five short dialogues about developing economy. Listen carefully and choose the best answer to each question.Q: Which diet is better for the environment?[音频]
A meat-based diet.
B. A fish-based diet.
C. A plant-based diet.
D. A chicken-based diet.
在工程量清单计价中,措施项目费的综合单价已考虑了风险因素并包括( )。
A. 人工费、材料费、机械使用费
B. 人工费、材料费、机械使用费、管理费
C. 人工费、材料费、机械使用费、管理费和利润
D. 人工费、材料费、机械使用费、规费、管理费、利润和税金