Luyện nói tiếng Anh bằng Shadowing qua video: Cambridge 15 Test 3 Section 4 Listening
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Part 4.
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You will hear part of a lecture on the early history of keeping clean.
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First, you have some time to look at questions 31 to 40.
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Thank you.
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Now listen carefully and answer questions 31 to 40.
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Nowadays we use different products for personal cleanliness, laundry, dishwashing and household cleaning,
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but this is very much a 20th century development.
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The origins of cleanliness date back to prehistoric times.
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Since water is essential for life, the earliest people lived near water and knew something about its cleansing properties,
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at least that it rinsed mud off their hands.
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During the excavation of ancient Babylon,
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evidence was found that soap-making was known as early as 2800 BC.
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Archaeologists discovered cylinders made of clay, with inscriptions on them saying that fats were boiled with ashes.
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This is a method of making soap, though there's no reference to the purpose of this material.
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The early Greeks bathed for aesthetic reasons and apparently didn't use soap.
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Instead, they cleaned their bodies with blocks of sand, pumice and ashes, then anointed themselves with oil,
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and scraped off the oil and dirt with a metal instrument known as a strigil.
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They also used oil mixed with ashes.
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Clothes were washed without soap in streams.
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The ancient Germans
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and Gauls are also credited with discovering how to make a substance called soap made of melted animal fat and ashes.
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They used this mixture to tint their hair red.
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Soap got its name, according to an ancient Roman legend, from Mount Sappo, where animals were sacrificed,
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leaving deposits of animal fat.
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Rain washed these deposits, along with wood ashes, down into the clay soil along the River Tiber.
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Women found that this mixture greatly reduced the effort required to wash their clothes.
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As Roman civilization advanced, so did bathing.
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The first of the famous Roman baths, supplied with water from their aqueducts, was built around 312 BC.
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The baths were luxurious, and bathing became very popular.
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And by the second century AD, the Greek physician Galen recommended soap for both medicinal and cleansing purposes.
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After the fall of Rome in 467 AD and the resulting decline in bathing habits,
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much of Europe felt the impact of filth on public health.
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This lack of personal cleanliness and related unsanitary living conditions were major factors in the outbreaks of disease in the Middle Ages,
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and especially the Black Death of the 14th century.
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Nevertheless, soap-making became an established craft in Europe, and associations of soap-makers guarded their trade secrets closely.
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Vegetable and animal oils were used with ashes of plants, along with perfume, apparently for the first time.
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Gradually, more varieties of soap became available for shaving and shampooing, as well as bathing and laundering.
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A major step toward large-scale commercial soap-making occurred in 1791, when a French chemist, Nicolas Leblanc,
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patented a process for turning salt into soda ash, or sodium carbonate.
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Soda ash is the alkali obtained from ashes that combines with fat to form soap.
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The Leblanc process yielded quantities of good quality, inexpensive soda ash.
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Modern soap-making was born some twenty years later, in the early nineteenth century, with a discovery by Michel-Eugène Chevrol,
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another French chemist, of the chemical nature and relationship of fats, glycerine, and fatty acids.
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His studies established the basis for both fat and soap chemistry, and soap making became a science.
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Further developments during the 19th century made it easier and cheaper to manufacture soap.
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Until the 19th century, soap was regarded as a luxury item, and was heavily taxed in several countries.
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As it became more readily available, it became an everyday necessity, a development that was reinforced when the high tax was removed.
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Soap was then something ordinary people could afford, and cleanliness standards improved.
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With this widespread use came the development of milder soaps for bathing
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and soaps for use in the washing machines that were available to consumers by the turn of the 20th century.
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That is the end of Part 4.
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You now have one minute to check your answers to Part 4.
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Thank you.
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That is the end of the listening test.
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In the IELTS test, you would now have 10 minutes to transfer your answers to the answer sheet.
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Từ vựng và ghi chú luyện nói cho bài học này
Bài luyện nói trình độ C1 này dựa trên video “Cambridge 15 Test 3 Section 4 Listening”. Những từ được nhắc lại nhiều nhất trong bài: soap, ashes, century, fat, became. Video này có 55 câu và 701 từ để luyện shadowing. Phần lời nói dài 7:45. Người nói nói chậm, khoảng 91 từ mỗi phút, đủ thời gian để bạn bắt chước từng âm. Chỉ 73% số từ nằm trong 3.000 từ tiếng Anh thông dụng nhất, nên từ vựng khá khó.
Từ vựng quan trọng trong video
15 từ khó nhất trong video, kèm phiên âm và nghĩa:
| Từ | Phiên âm | Nghĩa |
|---|---|---|
| chemist danh từ | /ˈkɛmɪst/ | nhà hoá học |
| cloth danh từ | /klɒθ/ | vải, vải vóc |
| alkali danh từ | /ˈæl.kəˌlaɪ/ | kiềm |
| carbonate danh từ | /ˈkɑɹbəneɪt/ | cacbonat |
| prehistoric tính từ | /ˌpɹiː.hɪsˈtoɹ.ɪk/ | tiền sử |
| pumice danh từ | /ˈpʌm.ɪs/ | đá bọt |
| scrape động từ | /skɹeɪp/ | nạo, cạo |
| inscription danh từ | /ɪnˈskɹɪpʃən/ | chữ khắc |
| luxurious tính từ | /lʌɡˈʒʊəɹi.əs/ | sang trọng |
| inexpensive tính từ | /ˌɪnɪkˈspɛnsɪv/ | rẻ |
| shampoo danh từ | /ʃæmˈpuː/ | dầu gội đầu, xà bông |
| perfume danh từ | /ˈpɝfjuːm/ | mùi thơm, hương thơm |
| shave động từ | /ˈʃeɪ̯v/ | cạo, cạo mặt |
| boil động từ | /bɔɪ(ə)l/ | đun, đun sôi |
| sodium danh từ | /ˈsəʊ.di.əm/ | natri, chất muối |
Phát âm cần chú ý
- Âm “th”: cloth /klɒθ/, nineteenth /ˌnaɪnˈtiːnθ/, aesthetic /ɛsˈθɛ.tɪk/
- Âm “sh” và “zh”: excavation /ˌɛkskəˈveɪʃn/, inscription /ɪnˈskɹɪpʃən/, luxurious /lʌɡˈʒʊəɹi.əs/, shampoo /ʃæmˈpuː/, shave /ˈʃeɪ̯v/
- Từ dài — đặt trọng âm cho đúng: archaeologist /ˌɑɹ.kiˈɑ.lə.d͡ʒɪst/, prehistoric /ˌpɹiː.hɪsˈtoɹ.ɪk/, medicinal /məˈdɪ.sɪ.nəl/, luxurious /lʌɡˈʒʊəɹi.əs/, inexpensive /ˌɪnɪkˈspɛnsɪv/
Những âm người Việt thường gặp khó:
- Cụm phụ âm cuối — đọc đủ từng âm, đừng nuốt âm cuối: cleanse /klɛnz/, chemist /ˈkɛmɪst/, anoint /əˈnɔɪnt/, aqueduct /ˈæk.wəˌdʌkt/, archaeologist /ˌɑɹ.kiˈɑ.lə.d͡ʒɪst/
- Âm /tʃ/, /dʒ/ và /ʒ/ — tiếng Việt không có, đừng đọc thành “ch” hay “gi”: archaeologist /ˌɑɹ.kiˈɑ.lə.d͡ʒɪst/, luxurious /lʌɡˈʒʊəɹi.əs/, vegetable /ˈvɛd͡ʒ.tə.bəl/
- Âm /æ/ — mở miệng rộng hơn âm “e”: alkali /ˈæl.kəˌlaɪ/, aqueduct /ˈæk.wəˌdʌkt/, shampoo /ʃæmˈpuː/
Cách luyện với video này
- Nghe hết video một lần, chưa cần nói, và ghi lại những từ bạn chưa biết.
- Nói đuổi từng câu ở tốc độ bình thường, lặp lại mỗi câu đến khi nhịp của bạn khớp với người nói.
- Ghi âm giọng mình rồi so với bản gốc, chú ý các từ như chemist, cloth, alkali.
Phương Pháp Shadowing Là Gì?
Shadowing là kỹ thuật học ngôn ngữ có cơ sở khoa học, ban đầu được phát triển cho chương trình đào tạo phiên dịch viên chuyên nghiệp và được phổ biến rộng rãi bởi nhà đa ngôn ngữ học Dr. Alexander Arguelles. Nguyên lý cốt lõi đơn giản nhưng cực kỳ hiệu quả: bạn nghe tiếng Anh của người bản xứ và lặp lại to ngay lập tức — như một "cái bóng" (shadow) đuổi theo người nói với độ trễ chỉ 1–2 giây. Khác với luyện ngữ pháp hay học từ vựng bị động, Shadowing buộc não bộ và cơ miệng phải đồng thời xử lý và tái tạo ngôn ngữ thực tế. Các nghiên cứu khoa học xác nhận phương pháp này cải thiện đáng kể phát âm, ngữ điệu, nhịp điệu, nối âm, kỹ năng nghe và độ lưu loát khi nói — đặc biệt hiệu quả cho người luyện IELTS Speaking và muốn giao tiếp tiếng Anh tự nhiên như người bản ngữ.