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Warning: Array to string conversion in /www/wwwroot/iqti.cn/wp-content/plugins/wpjam-basic/components/wpjam-basic.php on line 174 胖胖是个颇有名气的跳水运动员,可是有一天,他站在跳台上,却不敢往下跳。这是为什么?-IQ题