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1、Unit2单元详解单元详解 1.只工作不玩耍，聪明的孩子也变傻只工作不玩耍，聪明的孩子也变傻All work and no play makes Jack a dull boy.2.十分舒适，十分熟悉十分舒适，十分熟悉as comfortable as an old shoeThis old house is fine.It is as comfortable as an old shoe.3.被宰了被宰了 highway robbery =it is very expensive 4.A A制制 go Dutch(with somebody)to share the cost of a me
2、al in a restaurant Unit 2 Crossing limits 超越极限超越极限Warming up Look at the pictures and talk about these people and try to find out what made them famous?Picture 1.Zheng He is famous for having made several great voyages to the west,reaching as far as Africa.Picture 2.James Cook,English explorer is fa
3、mous for having made three great voyages around the world,and mapping coasts and sea routes.Picture3.Christopher Columbus,an Italian,discovered America in Columbus was the first European to explore America.He explored the West Indies 印度群岛印度群岛 South America,and Central America.Picture 4.Abel Tasman w
4、as a Dutchman who discovered New Zealand.He made several trading and exploring voyages in the Pacific and Indian oceans.1.Who was the person that mapped the Indian coast?2.-Zheng He.3.2.Who was the first person that discovered the”New World?4.-Columbus.3.Why did Abel Tasman sail along the coast of A
5、ustralia and many islands in the Pacific Ocean?-Tasman was to answer questions about the nature of the geography of Pacific Ocean region during his exploration.4.What was James Cooks purpose of his voyage?-Cook was chosen by the Royal Society of London to undertake a scientific journey to Tahiti to
6、observe and document the event as the planet Venus passed between the earth and the sun.His secret task was to find new landmasses in the south.There are seven continents in the world.They are Asia,Africa,Europe,North America,South America,Oceania and Antarctic.The map of the world the five-ringed s
7、ymbol represents the union of the five continents and the meeting of athletes from the world at the Olympic GamesEuropeAfricaAmericaAsiaOceaniaBlue-stands for Europe.Black stands for Africa.Red stands for America.Yellow stands for Asia.Green stands for Oceania.1)Which ocean separates Asia from Ocean
8、ia?-The Pacific Ocean separates Asia from Oceania.2)Which ocean separates Europe from America?-the Atlantic Ocean separates Europe from America.3.What were the dangers and challengers that explorers had to face in the past while exploring the world?-There were a lot of dangers that made their explor
9、ation difficult.First,they had to struggle against big storms,icebergs and the great rocks that lie unnoticed in the sea.Second,they may easily get ill without fresh vegetables on board.Third,they had to fight against pirates 海盗海盗and unfriendly natives.3.Words and expressions will you need to talk a
10、bout discovery and science exploration?-CategoryExamples of words and phrasesTransportnavigation导航领航导航领航,compass,sail,ship,helicopter,camels,elephant,horses,jeep,expedition远征队远征队Communication journals,Internet,telephone,e-mail,smoke,signals,lettersScience and geographywildlife,mineral,resources,popu
11、lation,polar,Indian,Ocean,Atlantic,etc.Positioncentral,westernmost,southernmost,remote,altitude海拔高度海拔高度,latitude纬纬度度Productsoil,rubber,spices,silk,fruit,tea,mushroom coffee,chocolate,cocoa,cotton,maize,etc,Speaking:Vocabulary:1.meet with somebody/something phrasal verb=to have a meeting with someone
12、 1)Representatives of EU countries will meet with American politicians to discuss the trade crisis.2)I met with my friend on my way here.3)In the woods he met with two strangers.4)This work met with the same failure.2.make a decision/make decisions3.evaluate-to judge how good,useful,or successful so
13、mething is1)You should be able to evaluate your own work.2)There was not enough time to evaluate the information before the meeting.3)4.various-different types of that thing4)1)The jacket is available in various colors.2)There are various ways to answer your question.3)He decided to leave school for
14、 4)various reasons.5)5.take possession of get and start using1)We didnt take possession of the car until a few days after the auction.2)The policeman took possession of the thiefs bag.6.in the name of using law,religion,freedom etc as the reason why something is done-used especially when you disappr
15、ove of what someone is doing 1)cruel experiments on animals carried out in the name of science2)I arrest you in the name of the law.1)Let me thank you in the name of us all.2)formal as someone elses official representative 3)2)I opened an account at the bank in your name.4)6.keyadj.very important or
16、 necessary5)The President makes all the key decisions on foreign policy.6)Laws are key to maintaining an orderly society.7.origin -the place or situation in which something begins to exist起源起源1)a new theory to explain the origins of the universe2)AIDS became widespread in the 1980s,but no-one is cer
17、tain of its origin.3)8.equip-to provide a person or place with the things that are needed for a particular kind of activity or work4)equip somebody/something with something1)They spent a lot of money equipping the school with new computers.2)He equipped himself with a hammer and nails.3)The rooms ar
18、e equipped with video cameras.4)A good education will equip your children to get a good job.Pre-reading-Introduction1.Chinas trade relations with other countries date back several thousand years.Its trade relations to the west were largely carried out along the famous silk road.In the early 15th cen
19、tury,China also started exploring destinations beyond Southeast Asia.For a short time,China ruled the sea.2.What could have been the possible reasons to search for sea routes from China while routes over land were shorter and already existed?-The trade routes over land became too dangerous because o
20、f war and robbers.Trade by sea also allowed merchants to make more goods.Reading:Reaching out across the ocean.跨海越洋跨海越洋1)How do you understand the the sentence“reaching out across the ocean?2)-Chinese were reaching to the oceans 3)2)Why did Chinese reach out across the ocean?4)-They wanted to trade
21、with the western lands and show friendship to them.4.What formed the foundation of mankinds interest in exploration?-Trade and curiosity formed the foundation of mankinds interest in exploration.5.What was Columbuss purpose of searching for the wealthy Asian lands?-His purpose of searching was to se
22、ek treasure.6.Which ocean does“Western Ocean refer to?-It referred to part of the Pacific Ocean and part of Indian Ocean.7.Who explored the Western Ocean before Columbus?-Many people explored the Western Ocean,among whom Zheng He was the most famous.Read the passage and point out the topic sentence
23、for each paragraph.Para.1 thesis sentence 论题论题Many great explorers made expeditions across the Indian Ocean long before Columbus,among whom Zheng He was the most outstanding.Para.2 China had contacts with countries along the Indian Ocean from the early times,and during ancient time explorers had beg
24、un to contact with each other.Para3.Between the Han and the early Tang Dynasty,Swahili kingdom and the islands off the African coast developed into the world trade center and attracted merchants from the world.Para.4 During the Tang Dynasty,Du Huan,who traveled to many lands,wrote the book Record of
25、 My Travels.Para.5.In the 11th century the Africans made several voyages to the court of the Song Dynasty.Para6.By the beginning of the 15th century the time was ripe for a grand meeting.Para7.In the years between 1406 and 1433,under the command of Zheng He,seven large treasure fleets sailed westwar
26、ds on voyages of trade and exploration.Para8.Zheng He renewed relations with the kingdom of the East African coast.Para9.The fleet made several expeditions before the exploration was stopped.Deal with the language points1.endeavor-formal to try very hard 1)They endeavored to change society.2)He ende
27、avored to climb the mountain.3)You must endeavor to do it better.4)Please make every endeavor to be early.5)2.puzzle-to confuse6)1)His voice puzzled me.7)2)I am puzzled about what to do next.2)His face wore a puzzled expression.3)The situation was more puzzling than ever before.puzzle noun.1)a child
28、s wooden puzzle 2)a crossword puzzle.3)The meaning of the poem has always been a puzzle.3.routes-a way from one place to another1)Whats the best route to Cambridge?2)a bus route3)If you dont enjoy driving on the main highways,try some of the rural routes.4)4.find ones way to.5)push ones way to6)figh
29、t ones way to 7)feel ones way to8)lose ones way to 9)5.in exchange for1)I gave him a book in exchange for his MP3 player.2)Ive offered to paint the kitchen in exchange for a weeks accommodation.(膳宿膳宿)6.spices-a type of powder or seed,taken from plants,that you put into food you are cooking to give i
30、t a special taste pepper 胡椒胡椒,cinnamon桂皮桂皮,clover,三叶草三叶草ginger姜粉姜粉 are spices1)Add some spices to the mixture.2)His arrival added spice to the party.interest or excitement that is added to something 3)Travel adds spice to your life.7.spicyadj.synonym hot spicy Italian sausage8.be taken prisoner-some
31、one who is kept in a prison as a legal punishment for a crime or while they are waiting for their trial1)Our pilot was taken prisoner.2)9.wander-to walk slowly across or around an area,usually without a clear direction or purpose 3)wander through the forest4)wander through the city5)wander in Europe
32、6)wander the street.7)wanderer.a person who moves from place to place and has no permanent home 10.court-宫廷。朝廷，法庭宫廷。朝廷，法庭1)the court of the Song Dynasty2)the International Court11.awareness -knowledge or understanding of a particular subject or situation1)Health officials have tried to raise awarene
33、ss(=improve peoples knowledge)about AIDS.2)political awareness3)environmental awareness12.accuratecorrect and true in every detail/opposite inaccurate1)His information is accurate.2)He is always accurate in what he says and does.3)accuracynoun4)There is need to check the accuracy of the report.5)13.
34、treasure-a very valuable and important object such as a painting or ancient document 1)Your old furniture could be a treasure to a growing number of collectors.2)Our housekeeper is a real treasure.3)informal someone who is very useful or important to you 4)treasure-to keep and care for something tha
35、t is very special,important,or valuable to you5)1)Jim treasured the gold pocket watch that his grandfather had given mandhave a)good/excellent/poor etc command of something2)Hes studied in the US and has a good command of English.under sb s command1)troops under the command of General Robertscommand
36、vt.to tell someone officially to do something,1)He commander that she do the work.15.renew-formal to begin doing something again after a period of not doing it synonym resume1)Local people have renewed their efforts to save the school.2)To renew your license,contact the Department of Motor Vehicles.3)renew a book4)=to arrange to borrow a library book for a further period of time 结束