4 I.BEFORE YOU READ:Work with a partner: Look at the map and give the Vietnamese names for the oceans on the map:Bắc Băng DươngĐại Tây DươngẤn ĐộDươngThái BìnhDươngNam Băng Dương
5 J……………… S…………….. T…………….. S…………….. Work with a partner: Look at the pictures below. Can you name the sea animal in each picture? The first letter of the word has been given to help you.J………………elly fishS……………..ealT……………..urtleS……………..hark
9 Investigate /ɪnˈves.tɪ.geɪt/ (v): Khảo sát E.g: They are investigating the sea-bed.
10 Samples /ˈsɑːm.pl/ (n) : Mẫu vật Biodiversity /ˌbaɪəʊdaɪˈvɜ:səti / (n) : Sự đa dạng sinh học
11 Oversized /ˈəʊvəsaɪzd/ (adj): Quá cỡ Tiny /ˈtaɪ.ni/ (adj.): Tí hon
12 Challenge /ˈtʃæl.ɪndʒ/ (v): Thách thức Eg: The problem of pollution challenges the scientists.Challenge (n)Organism /ˈɔ:ɡənɪzəm/ (n) cơ thể, sinh vật
13 Contribute /ˈkɒn.trɪ.bjuːt/ (v) góp phần, đóng góp Eg: Plants and animals of the sea contribute to its biodiversity.Contribute to sth.Contribution (n)Be at stake /steɪk/ (v) đang lâm nguy, đang bị đe dọaEg: The family honour is at stake.
14 13. Be at stake /steɪk/ (v) đang lâm nguy, đang bị đe dọa Gulf /gʌlf/ (n): VịnhSubmarine /ˈsʌbməri:n/ (n): Tàu ngầmStarfish /ˈstɑː.fɪʃ/ (n): Sao biểnShark /ʃɑːk/ (n): Cá mậpInvestigate /ɪnˈves.tɪ.geɪt/ (n): Khảo sát, điều traBiodiversity /ˌbaɪəʊdaɪˈvɜ:səti / (n) :Sự đa dạng sinh họcSample /ˈsɑːm.pl/ (n): Mẫu vậtOversized /ˈəʊvəsaɪzd/ (adj): Quá cỡTiny /ˈtaɪ.ni/ (adj): Tí honChallenge /ˈtʃæl.ɪndʒ/ (n): sự thử tháchChallenge (v): Thử thách11. Organism /ˈɔ:ɡənɪzəm/ (n): Cơ thể, sinh vật12. Contribute /ˈkɒn.trɪ.bjuːt/ to (v): góp phần, đóng góp13. Be at stake /steɪk/ (v) đang lâm nguy, đang bị đe dọa
15 There is only one ocean. It is divided into five different parts: the Pacific, Atlantic, Indian, Antarctic, and Arctic Oceans. There are also many other smaller seas, gulfs and bays which form part of them. Altogether they cover 75 percent of the earth’s surface. For centuries, people have been challenged by the mysteries that lie beneath the ocean. However, today’s scientists have overcome many of the challenges of the depth by using modern devices. They send submarines to investigate the seabed and bring samples of marine life back to the surface for further study. Satellite photographs provide a wide range of information, including water temperature, depth and the undersea populations. If modern technology did not exist, we would never have such precious information.Marine plants and animals fall into three major groups. Some of them live on or depend on the bottom like the starfish. Some are swimming animals such as fishes and sharks that move independently of water currents while others are tiny organisms that are carried along by the currents like the jellyfish. Plants and animals of the sea, however small or oversized, all contribute to its biodiversity . Unless this biodiversity were maintained, marine life would be at stake.
16 II. WHILE YOU READTASK 1The words in the box all appear in the passage. Fill each blank with one of them. There are more words than needed:
17 gulfoversizedbiodiversitychallengessealsamplesinvestigateturtleprovidetinySome plants and animal are referred to as organisms because they are extremely small.2. Thanks to modern technology, scientists have been able to the life plants and animal that live under the sea.3. A sea animal that eats fish and lives around coasts is a4. A is a large area of sea that is partly surrounded by land.is a term that refers to the existence of different kind of animal and plants which makes a balanced environment.6. These scientists have collected different to analyze for their experiment.7. A is a large reptile with a hard round shell, that lives in the sea.
18 Read the passage again and answer the questions below: Task 2:Read the passage again and answer the questions below:
19 What percentage of the earth’s surface is covered by seas and oceans? 75% of the earth’s surface is covered by the seas and oceans.2. How do scientists now overcome the challenges of the depth? By using modern devices.3. What can submarines do to help scientists know about the undersea world? They help them to investigate the seabed and bring samples of the marine life back to the surface for further study.4. What can we learn from the satellite photos? We can know a wide range of information including water temperature, depth and the undersea population.5. What are the three groups of marine plants and animals? They are those that live on or depend on the bottom like the starfish, those that move independently of water currents and those that are carried along by the current.6. What would happen if the sea biodiversity were not maintained? The marine life would be at stake if the sea biodiversity was not maintained.
20 III. After you read: Work in pairs: Complete the summary of the reading passage by filling each blank with a word or phrase given in the box below.
21 Though covering(1) of the earth’s surface, the ocean has remained (2) to us until recently. With(3) technology we have now made important (4) about the (5) of the marine life. We have learnt that whether tiny or (6) , all the (7) of the sea are (8)three-quartersPlants and animalsDiscoveriesHugeClosely connectedModernThree-quartersMysteriousBiodiversitymysteriousmoderndiscoveriesbiodiversityhugeplants and animalscloselyconnected
22 HOMEWORK Learn by heart new words. Review the content of tasks. Prepare for the next lesson, part B. SPEAKING
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