A. 发展农业 B. 发展工业 C. 发展海上贸易交通 D. 兴修水利
A. Who did that? B. What's wrong with him? C. How did that happen? D. Why was he so careless?
A. 65摄氏度 B. 70摄氏度 C. 60摄氏度 D. 75摄氏度
A. 正确 B. 错误