请认真阅读下列材料，并按要求作答。
请根据上述材料完成下列任务：
(1)简述小学英语教师在教学过程中的角色有哪些。
(2)如指导小学生学习材料，试拟定教学目标。
(3)依据拟定的教学目标，设计导入环节和操练环节的活动并说明理由。
(1)小学英语教师应该是教学活动的组织者，语言知识的传授者，学习策略的促进者，课堂教学的调控者，交际活动的参与者，语言环境的营造者，教学活动的反思者等。 (2) Teaching Aims Knowledge aim: Students should listen, read, speak, write the new words: Monday, Tuesday, Weekend and so on,and the sentences structure: "What do you have on ... I have ..." Ability aim: Students can describe the weekend freely and know how to arrange the activities. And during thisprocess their listening and speaking skills will be improved. Emotional aim: Students can get interested in their school life and their team work spirit can be improved. (3)导入环节：Warmin9—up and lead—in ① Hay the video about week song, and ask students to sing with it. ② Free talk: Show a timetable and ask students some questions, for example"It's nine o'clock now. Whatclass do you have" After students answer the questions, the teacher can design a free talk. Show some pictures ofdifferent lessons and encourage students to describe them. Then invite some volunteers to share ideas with others. 【设计意图】 播放歌曲，可以为学生创造轻松的学习环境，便于学生很快进入到英语的学习氛围中。自由讨论帮助学生熟悉本堂课话题，同时明确学习任务。 操练环节：Consolidation ① Fast reaction The teacher uses gestures to express 1-7 and the students quickly say the corresponding week. For example, teachersays "1" with a gesture and the students quickly say "Monday". 【设计意图】 通过快速反应回答出星期的名词，可以帮助学生巩固本课所学单词。 ② Group work Students take turns in a group of four to say that they like and why they like it. The conversation can be "I likeWednesday. I can have music on Wednesday." 【设计意图】 小组讨论活动可以提高学生的口语表达能力，便于英语思维表达的培养。
