长期使用的不锈钢餐具，它也不会生锈的原因是在炼钢的过程中加入了下列物质的（　　）

x=____

语法填空。

    Chaplin was an extraordinary performer who ____(star) in and directed many outstanding comedies. Few people were bored ____(watch) his moustache, his gestures or his entertaining reactions when chased by ____(detective). Being drunk, sliding on a banana skin or whispering his own failures to nobody, he made us feel more content ____our life without any verbal explanation. His particular sense of humor has astonished everybody throughout the world up to now.

    In a small budget film, he played a badly-off person ____(wear) worn-out shoes and ____(mess) clothes. On one occasion, he ____(trap) by a snowstorm in a vast mountainous area. He overcame many difficulties, ____ he was not fortunate enough. With all the porridge ____(eat) up, he picked out a shoe and boiled it to eat. What he performed was a total failure. According to an actress, his acting was so ____(convince) and amusing that everybody couldn't help bursting into laughter.