摘要： It is impliedbut not directly stated that . 21世纪教育网 21世纪教育网 A. one’s thinking mode plays a key role in deciding whether he’ll be a grandmaster at chess or not 21世纪教育网 21世纪教育网 B. you have to practise for at least 10 years to become good amateurs in chess 21世纪教育网 21世纪教育网 C. expert and amateur players use different parts of their brains during matches 21世纪教育网 21世纪教育网 D. often playing against computers is the grandmasters’ secret to mastering chess 21世纪教育网 21世纪教育网

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