要求：自己编写一段对话，并角色扮演进行对话练习，注意回应对方观点、陈述自己观点、并询问他人意见。

总时长控制在2分钟之内。写语料拍照，并发语音到小组群里，并截图上传慕课平台。 Your have been asked to carry out market research for a new brand of cosmetics. Talk together for about 2 minutes about what methods can be used and decide which three would be the most effective. Here are some ideas to help you. ？ Face-to-face questionnaire ？ Interview ？ E-mailing ？ Telephoning ？ Free sample delivery with feedback form ？ Promotion ？ Posting the questionnaire