历史上我国钢铁技术发展的特点和其他各国不同,世界上长期采用固态还原的块炼铁和固体渗碳钢,而我国铸铁和生铁炼钢一直是主要方法。
A. 对
B. 错
历史上我国是世界上最大的钢铁生产国和消费国,在明代中叶以前我国的冶金技术一直是居于世界领先水平。
A. 对
B. 错
1793年年初,路易十六被( )以"阴谋反对公众自由和危害国家安全"的罪名推上断头台。
A. 君主立宪派
B. 吉伦特派
C. 保王党人
D. 路易·波拿巴发动在雾月政变中
Listen to conversation 2, choose the best answer to the question you hear.[音频]5. What does the man say about college students as compared with high schoolers?
A. They have to spend more time studying.
B. They have to participate in club activities.
C. They have to be more responsible for what they do.
D. They have to choose a specific academic discipline.