下列哪类食物不属于维生素B1的良好来源？（）
A. 豆类
B. 瘦肉类
C. 谷类
D. 海鲜类
What is Bradley's attitude towards Tourette's?
A. He will not fight against Tourette's.
B. He will not submit to Tourette's.
Why does the interviewer ask if Bradley wants a drink or not?
A. Because he thinks that Bradley's throat is uncomfortable.
Because he knows that Bradley's throat had an operation.
Why does Bradley say that he can teach?
A. Because his syndrome has never been a trouble for teaching.
Because he believes that he can get cured some day.
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