根据所给内容，设计一份教学简案。（用英语）
说明：
（1）需要涉及的内容：理论依据、学情分析、教学目标、教学方法、教学过程、时间安排、设计说明、板书设计等；呈现形式不限。
（2）所选材料为：PEP教材六年级上， Unit 5, What does he do?
Theoretical background: Functional theory
Learning Situation Analysis: There are 30 students in one class in Grade 6, with 16 males and 14 females. The students are very active in class and have much interest in English.
Teaching Objectives: Students master the usage of “what do you do” and other vocabularies related to career.
Teaching Method: top-down grammar presentation
Teaching Procedures:
(1) Use pictures to lead students to knowing some words about career. (10min)
(2) List some related dialogues and lead students to guessing the meaning of the sentences. (10min)
(3) Explain the grammar carefully. (10min)
(4) Listen to the tape and do the matching. (10min)
Design Description: the top-down method is used in order to encourage students to find the grammatical rules by themselves and is good for students to get involved.