Which of the following as NOT true about Mel Lanfang?
A. He wrote some plays for Peking Opera
B. He created various dances
C. He composed many new melodies
D. He enriched Peking Opera by introducing erhu(二胡).
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柔性制造系统是由计算机集成管理和控制、高效率地制造某一类中小批量多品种零部件的自动化制造系统。
A. 对
B. 错
柔性制造系统能根据制造任务或生产环境的变化迅速调整,以适宜于多品种、中小批量生产,能适应加工对象变换,在加工自动化的基础上实现物料流和信息流的自动化。
A. 对
B. 错
柔性化生产制造不断的渗透到众多产品密集型制造行业中。
A. 对
B. 错
Fill in the blanks with the words in the video.Hi, I'm Hina. I work for the BBC in London as 1)__________. I've learned a lot of skills in my job and I've made some good friends at work. Sometimes my job 2)___________ and I don't get enough time to 3)__________ , or even to tidy my 4)____________. What do you do ?