Unit 5 Into the wild Section Ⅰ Starting out & Understanding ideas（word）-2021秋高一英语外研版必修第一册【创新设计】同步学考笔记（鲁琼津辽粤渝）

Unit 5　Into the wild Section Ⅰ　Starting out & Understanding ideas Part 1　Understanding ideas——通文本 原文呈现 The Monarch’s Journey 1 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 wonderful⑤ migrations in nature is that of the North American monarch butterfly【1】. 【1】本句是简单句，句中的that作表语。指代的是migration。 2 Every autumn，millions of these beautiful insects⑥ with fine black and orange wings begin a long and difficult journey.Somehow⑦ they manage to⑧ travel around 4，000 kilometres south and find their way to California or Mexico.However，until recently no one knew how they did this【2】. 【2】句中how引导宾语从句，作knew的宾语。 3 A team of scientists led⑨ by Professor⑩ Eli Shlizerman at the University of Washington【3】 has now found the answer.They have found out that the monarch is able to tell 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【4】. 【3】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，故这里用过去分词。 【4】where引导定语从句修饰先行词places，且where 在从句中作地点状语。 4 The solution⑯ to the mystery of the monarch’s amazing⑰ ability comes at a time when it is in serious trouble【5】.Its population⑱ has crashed⑲ by as much as 90 per cent⑳ in the last few years.Sadly，human activity is the main reason why the number of monarch butterflies is falling【6】.In many of the places where the butterfly can be found，people are destroying that kill the plants that monarch caterpillars eat【7】. trees and use chemicals the natural environment.They cut down 【5】when引导的定语从句修饰先行词a time，且when在句中作时间状语。 【6】why引导定语从句，修饰先行词the main reason，且why在句中作原因状语。 【7】第一个that引导定语从句，修饰先行词chemicals；且that在该从句中作主语；第二个that也引导定语从句，修饰