2020-2021新教材高中英语Unit5教案+作业 外研版选择性必修第四册

Unit 5 Into the unknownUnit 5 Into the unknown说明文说明文是以说明为主要表达方式来解说事物、阐明事理而给人以知识的文章，它要求语言准确简明，通俗浅显，条理清晰而又有逻辑性。需要注意的是，说明文是陈述客观事实，所以这种文体通常采用一般现在时。基本框架第一部分：简述神秘现象(什么样的神秘现象，何时何地被发现，科学家对此的解释和论据)。第二部分：不同的看法。第三部分：自己对这种现象的认识。常用词块1 1a series of attacks 一连串的袭击行为2 2muddy footprints on the kitchen floor 厨房地板上的泥脚印3 3a frightening experience一次可怕的经历4 4a reported sighting of the Loch Ness monster 据报道有人看见尼斯湖水怪5 5bring sth.to light 披露某事6 6due to human error 由于人为错误常用语句精彩开头1 1The monster of.is back in the news.怪物又上新闻了。2 2It is known to all that.众所周知3 3It lies in.它在于4 4It looks like.它看起来像丰满主体1 1Some scientists think that.一些科学家认为2 2Some people believe in its existence，because.有些人相信它的存在，因为3 3By recent research，we can learn that.通过最近的研究，我们可以了解到4 4Other scientists consider.其他科学家认为余味结尾1 1Personally，I(dont)believe.就我个人而言，我(不)相信2 2As far as I am concerned，I think.就我而言，我认为3 3In my point of view，I believe.在我看来，我相信“北美大脚怪(Bigfoot)”一直引发人们的热议。请根据所给提示写一篇短文。出没地带怪物描述发现情况结论北美像猿(ape)，高610 英尺，重约500 磅以上，全身覆盖棕色或红色毛，头和眼睛很大，脚印长达 24 英寸科学家和研究人员也找到了相关的毛发粪便(waste)以及大脚印等无其他证据证明其存在，也许是当地传说以吓唬徒步者或者猎人注意：1.字数 80 字左右；2可以适当增加细节，以使行文连贯。【参考范文】Bigfoot，which was first seen in North America，is one of the world famousmysteries.Witnesses described it as an ape like creature.It was said to be 6 10 feettall，weighing over 500 pounds and was covered in brown or red fur with large eyesand a big head.Footprints up to 24 inches long have been found.Teams of scientists and researchers who have gone there to do research havefound things relatedto it，such as waste，fur and soon.However，so far there hasbeen no other evidence to prove its existence.As far as I am concerned，I think it may be just folk tales or stories to terrify hikers and huntersin North America.Unit 5 Into the unknownUnit 5 Into the unknown单元综合检测单元综合检测(五五)(时间：100 分钟满分：120 分).阅读理解(共 15 小题；每小题 2.5 分，满分 37.5 分)A APutting a dinosaur skeleton(骨架)together is not easy.The skeletons are usuallyvery incomplete.Many dinosaur fossils(化石)are discovered badly damaged.Bones areoften found crushed(压碎)or bent by the great weight of the dirt and rockabove.Sometimes parts from different creatures are mixed together.This just addsto the confusion.Unfortunately，somescientists havenotbeencarefulenoughintheirdescriptions of dinosaurs.They have told grand stories of how dinosaurs looked andbehaved.All of these descriptions are based on guessworkthe imaginations of peoplewho have never seen a living dinosaur.Some scientists have made complete picturesof dinosaurs based on just a single bone or tooth or leg.Such pictures are basedon many guesses and very little facts.The scientists ideas often turn out to bewrong when more facts are discovered.Dinosaur fossils are not found with labels attached showing what the animalslooked like.That is why no pictures of dinosaurs are exactly right.Every dinosaurpainting is sure tocontain at least some wrong information.No artist in thetwentieth century ever saw the living，breathing animalscomplete with skin，flesh，and color.For instance，imagine never having seen or heard of a peacock.One day you findthe jumbled bones of it buffed in the ground.You try to put the bones together toform a skeleton.And then you try to draw a picture of what the animal looked likewhen it was alive.But bones cannot tell the whole story.Even if you are a very goodartist，it would be a miracle if you drew a true picture of a peacock just from thebones and your imagination.【语篇解读】本文是一篇说明文。由于恐龙化石被发现时是毁坏的，所以拼接恐龙骨架很难，而且科学家在描述恐龙时也是在仅有的几片化石上做猜想，经常被证明是错误的。1 1Which of the following is NOT a reason why putting a dinosaur skeletontogether is difficult?ANo one has seen a living dinosaur.BDinosaur bones are too complicated when found.CDinosaur bones are crushed or bent when found.DDinosaur bones are mixed with other animals bones when found.B B细节理解题。根据第一段的内容可知，所发现的恐龙骨骼遭到了严重的破坏，或压碎或变形，有些还和其他动物的骨骼混合到一块，而且根据下文可知现代人谁也没见过活着的恐龙，所以 A、C、D 三项都是原因。故选 B。2 2According to Paragraph 2，we can infer thatAsome scientists are very careful in their descriptions of dinosaursBthe descriptions of dinosaurs contain some wrong informationCsome scientists have made complete pictures of dinosaurs based on factsDthe ideas of scientists are often proved wrong when more facts are discoveredB B推理判断题。根据第二段中的“All of these descriptions are based onguesswork the imaginations of people who have never seen a living dinosaur.”可推知关于恐龙的描述是建立在人们的想象之上，因此这些描述含有错误信息。故选B。3 3Taking a peacock as an example，the author shows thatAit is easy to put the peacock bones together to form a skeletonBit is not easy to put the peacock bones together to form a skeletonCa very good artist can draw a good picture even if he has never seen a peacockDit is impossible to draw a correct picture based on the bones and onesimaginationD D细节理解题。根据文章最后一句话“Even if you are a very good artist，itwould be a miracle if you drew a true picture of a peacock just from the bones andyour imagination.”可知答案为 D。4 4What is the passage mainly about?AWhy it is difficult for scientists to find dinosaur fossils.BWhy scientists c