阅读下面材料，根据要求回答问题。[教学材料]If you say the word "communication", most people think of words and sentences. Although these are very important, we communicate with more than just spoken and written words. Indeed, body positions are part of what we call "body language". We see examples of unconscious body language often, yet there is also "learned" body language, which varies from culture to culture.[教学实录]Step 1 Pre-readingShow some pictures about body language on the screen and then ask the students some questions.T: What do you do when you are introduced to someoneS1: I shake hands and say, "Pleased to meet you".Step 2 While-readingTask 1 SkimmingT: Read the passage quickly and choose the best title.A: Saying it Without WordsB: When in Rome, Do As the Romans DoC: Greetings. Around the WorldD: Read My Mind 教学设计 根据上述Pre-reading和While-reading环节的教学设计，完成“Step 2 While-reading中Task 3 Careful reading”教学环节的设计，并说明设计意图。 要求：(1)Task 3 Careful reading环节设计一项活动，Step 3 Post-reading环节设计两项活动。 (2)每项活动的教学设计用英语作答，设计意图可用汉语作答。 (3)教学设计应包含活动的组织过程及教师的指导语等，注意体现各教学环节的衔接。