选择健康的生活方式，应从儿童和青少年时期开始，下列属健康生活方式的是（　　）

①对于烟和毒品，仅吸一口，绝不再吸  ②积极参加集体活动并拒绝毒品

③油炸食品好吃，午餐常吃        ④废寝忘食，通宵达旦玩网络游戏

⑤不挑食、不偏食，合理营养      ⑥按时作息，坚持体育锻炼．

（2015•常州）2014年6月，台湾省农民张文任栽种出一个超级大南瓜．为将南瓜顺利装车，村民们用如图所示的滑轮，用绳子绕制成滑轮组．在20s时间内，村民们用750N的拉力将绳端沿竖直方向匀速向下拉动6m，把南瓜提升1.5m，此过程中滑轮组的机械效率为90%．（g取10N/kg）

问：

A

Mike works very long hours every day. He usually gets up at 17:00. He has a shower and makes his breakfast. What a funny time to make breakfast! After breakfast he practices his guitar. Then he puts on his jacket and goes to work. To get to work, he takes the number 17 bus to the Star Hotel. The bus usually leaves at 19:15. He works all night. People love to listen to him! He gets home at 7:00, and he watches the early morning news on TV. He goes to bed at 8:30, a tired but happy man. Can you think what his job is?

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