Unit 5 Into the wild Starting out 学案-2022-2023学年高中英语（外研版2019必修第一册）

SectionAStartingout&Understandingideas学习目标1、学会本节单词、短语。2、掌握本节句型表达与运用。知识运用1.____________________寻找2.____________________设法做成某事3.measurethepositionofthesun____________________4.____________________决定某事5.thesolution____________themystery这个奥秘的答案6.be___________serioustrouble陷人严重的困境7.humanactivity____________________8.thereason_______________……的原因9.____________________……的数量10.destroythenaturalenvironment____________________11.____________________砍伐树木12.____________________导致13.havebeenworkingtogether____________________14.____________________以……为食；以……为能源15.theremaycomeatime_____________...也许会有那么一天……句型梳理1.Theycutdowntreesandusechemicalsthatkilltheplantsthatmonarchcaterpillarseat.killtheplants至句末是关系代词that引导的定语从句，对chemicals加以修饰和限制，that在从句中作主语。同时该定语从句中又包含了一个由关系代词that引导的定语从句，即thatmonarchcaterpillarseat，这个that在定语从句中作eat的宾语。2.Ifthisworks,theremaycomeatimewhenthenumberofmonarchbutterfliesincreasesonceagain.这是一个主从复合句。if引导条件状语从句，主句部分是theremaycomeatime..。whenthenumberof...是关系副词when引导的定语从句，对atime加以修饰和限制，when在定语从句中作时间状语。theremaycomeatime是therebe句型的变式，视为完全倒装结构。此处用倒装，一是“there+come+主语”的句型需要，二是atime后接定语从句，为了避免整个句子主谓结构头重脚轻。课文阅读理解①Whatisthemainpurposeofthefirstparagraph?A.Toexplainwhatmigrationexactlyis.B.Totellusthereasonsformigration.C.Tointroducethetopicofthetext.D.Totellushowmanyanimalsmigrate.②Whatwillprobablyhappentothemonarchbutterfliesifitiscloudy?A.Theymaylosetheirway.B.Theycan'tseeanything.C.Theycan'tfindanyfood.D.Theywillfeelverycold.③Whatmysteryhastheresearchonthemonarchbutterfliessolved?A.Whythemonarchbutterfliesmigrate.B.Wherethemonarchbutterfliesspendthewinter.C.Howthemonarchbutterfliesmanagetomigrate.D.Whenthemonarchbutterfliesbegintheirlongjourney.④Whatdoweknowaboutthemonarchbutterfliesaccordingtothepassage?A.Everysummertheymigratetospendthewinter.B.Theyhavetheabilitytotellthedirection.C.Theymanagetotravelaround4,000kilometresnorth.D.Theirpopulationhasincreasedagainbecauseofprotection.答案知识运用1.insearchof2.managetodosth.3.测量太阳的位置4.determinesth.5.