1、【版本：外研册别：选择性必修一】【版本：外研册别：选择性必修一】Grammar IIVVocabulary buildingIIListening&speakingIIIHomeworkcontentsIGrammar0,000 people reading my blog!b I love to photograph the rising sun,a.Darwin suspected that the finches had evolved from a common ancestor,b.Many people refused to believe that living things,i
2、ncluding humans,had evolved from lower forms of life.“evolved from a common ancestor”happened first.Q1.In sentence(a),which action happened first,“suspected”or “evolved from a common ancestor”?0,000 people reading my blog!b I love to photograph the rising sun,a.Darwin suspected that the finches had
3、evolved from a common ancestor,b.Many people refused to believe that living things,including humans,had evolved from lower forms of life.“evolved from lower forms of life”happened first.Q2.In sentence(b),which action happened first,“refused to believe”or“evolved from lower forms of life”?0,000 peopl
4、e reading my blog!b I love to photograph the rising sun,a.Darwin suspected that the finches had evolved from a common ancestor,b.Many people refused to believe that living things,including humans,had evolved from lower forms of life.It indicates the action happened before a certain past action.Q3.Wh
5、at does the structure had done indicate?1.It was a young man who _ medical school without completing his degree.Whats more,he _ a letter from his father predicting that he would be“a disgrace to yourself and all your family”.had lefthad recently received2.After Darwin _ some time in South America,hi
6、s room on theship was crowded with samples of the plants and animals he _.had spenthad collected3.At that time,people believed that all species _ on Earth at the same time,and _ since.had appearedhad not changed 4.It seemed their beaks _ according to what food was available on that particular island
7、.had evolved 1)表示在过去的某一时间或某一动作之前完成的动作或存在的状表示在过去的某一时间或某一动作之前完成的动作或存在的状 态，即态，即“过去的过去过去的过去”。过去完成时的基本用法：过去完成时的基本用法：a.a.我们到达火车站之前，火车就已经离开了。我们到达火车站之前，火车就已经离开了。Before we got to the train station,the train _.b.b.我还没来得及说谢谢，他就跑开了。我还没来得及说谢谢，他就跑开了。Before I could say“thank you”,he _.had run awayhad already leftp
8、ast perfect 2)表示从过去某一时间开始，一直延续到过去的另一个时间的动 作，常用的时间状语有 by then,by the end of,by the time。a.a.到上学期期末为止，我们已经学习了到上学期期末为止，我们已经学习了20002000个英语单词了。个英语单词了。By the end of last term,we _ 2000 English words.b.b.到那时为止，他们已经在那里住了十年了。到那时为止，他们已经在那里住了十年了。They _ there for ten years by then.had livedhad learntpast perfec
9、t 3)表示愿望、打算等的动词，如表示愿望、打算等的动词，如 hope,want,expect,think,mean,suppose,intend,plan 等后接从句时，一般用等后接从句时，一般用过去完成时过去完成时表示表示本本 打算实现而未实现的愿望和计划打算实现而未实现的愿望和计划。a.a.我本打算去机场接他，但是我有个重要的会议要参加。我本打算去机场接他，但是我有个重要的会议要参加。I _ to meet him at the airport,but I had an important meeting to attend.b.b.我我原希望今年原希望今年去度假，可是我离不开。去度假，
10、可是我离不开。I _ to take a holiday this year but I was not able to get away.had intendedhad hopedpast perfect 4)在句型在句型 hardly.when 和和 no sooner than 中，中，主句用过去完成主句用过去完成 时时，从句用一般过去时从句用一般过去时，表示，表示“一一就就”。a.我刚离开就开始下雨了。_ when it began to rain.b.他刚坐下，电话铃就响了。No sooner _ than the telephone rang.Hardly had I leftha
11、d he sat downpast perfect1.a Natural disasters led to food shortages in the 1960s.b Yuan Longping began to do research on hybrid rice.c Yuan Longping developed a better type of rice.Yuan Longping 1_ to do research on hybrid rice because natural disasters 2_ food shortages in the 1960s.In the end,he
12、3_ a better type of rice.developedbeganhad led to2.a Gregor Mendel chose to study pea plants because their characteristics were easy to control.b Gregor Mendel made important discoveries about genetics.c Gregor Mendel died in 1884.Gregor Mendel 4_ study pea plants because their characteristics were
13、easy to control.By the time of his death in 1884,he 5_ important discoveries about genetics.chose tohad madeA short introduction to Yuan LongpingYuan Longping(1930 2021)dedicated himself to the research of agriculture after he graduated from university in the early 1950s.Yuan had the idea to create
14、a new breed of rice in the 1960s.Since then,he has worked tirelessly to research and develop a better rice breed.In 1973 he and his collaborators managed to cultivate a hybrid rice species that was superior to many others.This species produced 20 per cent more rice per plant than the commonly grown
15、varieties.For his achievements and contributions,Yuan is known as the“father of hybrid rice”and was awarded the Medal of the Republic in 2019.A short introduction to Gregor MendelGregor Mendel(1822 1884)was an influential botanist.Mendel worked out the basic principles of heredity by experimenting w
16、ith plants.In 1866,he published his findings,showing how invisible“factors”(now known as genes)are responsible for predictable visible traits.As a result of his work,he became known as the“father of modern genetics”.compete decline eat live introduce arriveLonesome George was the last Pinta Island t
17、ortoise.He died in 2012.After Georges death,the Pinta Island tortoise was declared extinct.The extinction of the Pinta Island tortoise is blamed on humans.Before humans 1_ on the island,the species 2_ in isolation and 3_ the plants that naturally grew there.George was discovered many years after the
18、ir arrival,and by then humans 4_ new species that 5_ for the food the tortoises ate.After goats in particular had been brought to the island,the Pinta Island tortoise population 6_.Eventually,only George remained.arrivedhad livedeatenhad introducedcompeteddeclinedcompete decline eat live introduce a
19、rriveAct out a role-play using the information in the encyclopaedia entry.Situation 2:You play the keeper of Lonesome George.Use past perfect tense where appropriateSituation 1:You play the reporter asking about George.IIListening&speaking1.Biodiversity is important.2.Bacteria are always harmful to
20、humans.3.Some species of bacteria are used in food production.4.Many species of bacteria recycle dead organic matter.5.Our immune systems are able to fight off all germs.P54Cells Every living thing is 1_.They are like 2_.In the human body there are about 3_ human cells and around 4_bacteria cells.Ba
21、cteria Most bacteria in the human body can 5_.In the food production process,bacteria can 6_ dead organic matter.break downhelp with digestionthirty-nine trillionthirty trillionbricks that are used to build housesmade up of cellsDo you know about?Have you heard of?By the way,Actually,In fact,Speakin
22、g of which,Adding informationChecking background knowledge1.What species are mentioned and what is special about them?2.What other unusual life forms do you know of?P542.What other unusual life forms do you know of？Two species are mentioned:the blue whale and the water bear.1.What species are mentio
23、ned and what is special about them?The water bear is probably the toughest species,which can survive temperatures from 150 to a below freezing-272.The blue whale is the largest animal species on Earth,which can grow up to almost 30 metres in length and weigh over 130,000 kilos.IIIVocabulary building
24、The Galapagos Islands are renowned worldwide for their unique biodiversity.The Giant Tortoise Reserve on Santa Cruz 1_ several species of giant tortoise that 2_ the Galapagos Islands.The island is also home to the Charles Darwin Research Station,where 3_ studies are carried out.ancestor scientific b
25、e native to primitivehabitat appearance be home to ecosystemis home toare native toscientific1Mangroves are one of the coastal plants that grow on Isabela.They serve as the 4_ for various birds and fish,and are very important to the 5_.habitatsecosystem2ancestor scientific be native to primitivehabi
26、tat appearance be home to ecosystemIguanas can be found on San Cristobal.They have a very special 6_,with comb-like spines on the back.There is evidence that all the different iguanas have developed from more 7_ ones and share a common 8_.3appearanceprimitiveancestorancestor scientific be native to
27、primitivehabitat appearance be home to ecosystemLook at the pictures(P55)of the species native to different regions of China.Talk about biodiversity in China using the words and expressions in this section.Do online research to find more information.IVHomeworkse the words and expressions youve learnt today.
