简介:做任何事情都有个顺序,有个条理。特别是在做实验时,更应该遵守实验室的操作程序和规范,以免发生意外。无论在何时何地,都必须服从指令,完成任务时确保安全。[模拟对话]A:Shallwegodownthevalleytofindaniceplaceforacamp?B:Goodidea!Andwecanalsohaveabushwalkthere.A:Yes.Ienjoybushwalking.B:Istartthecarandthenmakeasuddengoing.A:Oh,God!Becareful!Theroadisnotflat.B:Don'tworry!Youknow,I'maveryskilleddriver.A:Iknowyou'reskilled,but...Lookout!There'sacarahead!