TPO (TOEFL Practice Online) 是美国教育考试服务中心(Educational Testing Service，简称ETS)专为参加TOFEL TPO 口语第9套Question 6答题技巧及模版：
Question：Using points from the lecture, explain how the passion plant and the potato plant defend themselves from insects.
1、题目关键词：use points, explain, defend
2、答题要领：
(1)summarize the strategies used by the passion plant and the potato briefly.
(2)explain each of the strategies.
3、听力材料要点：
(1)The passion plant has physical features that prevent insects from landing on them. Their leaves have hairs all over them that leave no room for insects to land on the leaves.
(2)The potato uses chemical defense. When insects start to eat the leaves, the plant will react by releasing a kind of chemical that makes the insects feel full and don't want to eat any more.
4、模板：
(1)In the listening material, the professor discusses two types of defense strategies for plants.
(2)The first one used by the passion plant is ...
(3)The second one used by the potato is ...
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网老师提醒：用TPO作为托福备考教材和练习工具，已经成为全球考生必选。由于TPO试题的权威性和实用性，SmartStudy（网）组织了权威师资对TPO进行了逐套逐项逐题的详细讲读，包括题目理解，答题思路，解题步骤，答案分析和难点重点针对解析，覆盖最全面的做题逻辑，输出细致贴心的答题辅导，并以精美的课件清晰呈现。相信SmartStudy（网）托福版块的“
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