题目

语法填空 Teamwork is very important nowadays. We know that 【1】 tasks your group is given, a few rules need to be followed, according to some experts, 【2】 (ensure) a productive and successful experience. What comes first is to take everyone’s ideas into 【3】 (consider), because each group member can make his or her own contribution. Secondly, if you don’t want to waste time, divide the group task among all group members to make the job 【4】 (easy). Thirdly, always work together, take turns, and encourage each other by listening, clarifying, and trusting one another when 用不同频率的光照射某金属产生光电效应，测量金属的遏止电压Uc与入射光频率γ，得到图象如图。根据图像求出该金属的截止频率γc=____________，普朗克恒量h=____________J·s。（已知电子电量）