问题
多项选择题
造成液压单体支柱活柱不降柱或降柱速度慢的原因可能是（）
A、复位弹簧掉了
B、油缸局部有凹陷
C、活柱表面损坏
D、防尘圈损坏
答案
参考答案：A, B, C, D
搜题请搜索小程序“爱下问搜题”
造成液压单体支柱活柱不降柱或降柱速度慢的原因可能是（）
A、复位弹簧掉了
B、油缸局部有凹陷
C、活柱表面损坏
D、防尘圈损坏
参考答案：A, B, C, D
Mr Bean, who is silly, awkward (笨拙的) 1 always funny and enjoyable, is a world-famous comedy character on TV and in movies. He makes people 2 through a series of simple and funny acts 3 body languages. Rowan Atkinson is the 4 who plays Mr Bean. Mr Atkinson is quite 5 for playing Mr Bean. Rowan was born on January 6, 1955, and 6 his early years on the family farm with his mother, three older brothers and his strict father, who did not believe 7 the value of television. For a time, he attended the same school as Tony Blair, who was two years older than him. At the age of 13, he 8 at Newcastle University where he had the highest marks in his year. At Oxford he got his Master’s degree (硕士学位) in electrical engineering. He was particularly 9 fast cars, of which he has a large collection. Rowan’s career change from an electrical engineer to a famous comedian was partly 10 some speaking problems he had in his childhood. While he was still at primary school, Rowan had already shown great talent in 11 . Although his teachers predicted (预言) a career in acting, Rowan was not confident 12 he met a group of talented people at university, and he realized this could be a career for him. Another important event 13 . One day in 1976, he was playing around and making faces 14 . He realized something. “I discovered my face,” he said later. John Lloyd, who worked for the BBC, says, “When I watched Mr Atkinson act for the first time, I was 15 that he would be more famous than Chaplin.”
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