Unit5 Section Ⅰ Starting out & Understanding ideas-【优化探究】2023-2024学年新教材高中英语必修第一册同步导学案配套PPT课件（外研版）

返回导航 下页 上页 外研英语必修第一册 单元知识目标 重点单词 annual；seek；measure；position；determine；eventually；solution；amazing；crash；destroy；survive；effect；authority；source；found；recover；shock；element；variety；encounter；path；concentrate；freeze；stare；image；reaction 重点短语 manage to do；cut down；be famous for；be known for；at a speed of；a variety of；concentrate on；recover from；show respect to；after all 单元语法 定语从句(2) 单元写作 动物介绍类的说明文 返回导航 下页 上页 外研英语必修第一册 Section Ⅰ　Starting out & Understanding ideas 返回导航 下页 上页 外研英语必修第一册 必备知识 自主学习 关键能力 合作探究 课堂检测 素养达标 课时作业 巩固提升 返回导航 下页 上页 外研英语必修第一册 Part 1　课文预读 [原文呈现] The Monarch's Journey Many animals move from one place to another① at certain times of the year. This annual② movement is called migration. They migrate to find food, seek③ a partner, or in search of④ warmer weather. One of the most wonderful migrations in nature is that⑤ of the North American monarch butterfly. 返回导航 下页 上页 外研英语必修第一册 Every autumn, millions of these beautiful insects with fine black and orange wings begin a long and difficult journey. Somehow⑥ they manage⑦ to travel around 4，000 kilometres south and find their way to California or Mexico. However, until recently no one knew how they did this. 返回导航 下页 上页 外研英语必修第一册 A team of scientists led⑧ by Professor⑨ Eli Shlizerman at the University of Washington has now found the answer. They have found out that the monarch is able to tell⑩ the time of day. It uses its eyes to measure⑪ the position⑫ of the sun. These two pieces of information—the time of day and the point where the sun is in the sky—allow⑬ the butterfly to determine⑭ the way to go. Eventually⑮， it manages to reach the places where it will spend the winter. 返回导航 下页 上页 外研英语必修第一册 “led by...Washington”是过去分词短语作后置定语，修饰a team of scientists。因为a team of scientists和lead是逻辑上的动宾关系，因此这里用过去分词。 本句中the time of day and the point where the sun is in the sky是two pieces of information的同位语，where the sun is in the sky是where引导的定语从句，修饰the point, where在定语从句中作地点状语。 where it will spend the w