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差不多就好了。影片开始于一个平静的夜晚与一次普通的采访，安吉拉·韦多是一名电视台的记者，她这回的采访任务是制作一期关注洛杉矶某消防局夜间行动的节目。因为节目任务并不繁重，所以她就仅与一名摄影师只身前往。自然他们在消防局中受到了消防队的热烈欢迎，并且和消防队员们度过了相当愉快的一段时光，但这样洋溢着美好气氛的采访活动被一个普通的911电话打断了。不过对于要做节目的安吉拉来说却异常兴奋，毕竟能够随同消防员进行夜间出巡是绝佳的节目素材，于是两人便坐上了消防车与几位消防员一同出发了。Let's understand such a problem first, If our front-end development needs are the needs given to us by the demand side, It is possible that a front-end developer will deal with multiple demanders, Therefore, it will keep in touch with multiple demand parties. Then in the program it means keeping references to multiple objects, The larger the program, There will be more and more objects, The relationship between them will become more and more complicated. Now if there is an intermediary (if it is our supervisor) to meet the needs of multiple demanders, Then the demander only needs to give all the requirements to our supervisor, who will assign tasks to us according to our workload in turn. In this way, our front-end development does not need to contact with multiple business parties, we only need to contact our supervisor (i.e. Intermediary), which weakens the coupling between objects.Today's social environmental problems are becoming more and more serious, and the awareness of environmental protection is gradually fading in people's minds. In addition to the destruction of our actual actions, the environmental problems of the whole earth cannot be ignored. If we love our earth and our home, let us give a little strength to smile. Therefore, we designed this activity.15.1 Any naked eye with far vision lower than o.7 is not qualified.珊瑚眨巴两下眼睛，点头道：我知道。