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Giải Tiếng Anh 8 - Global Success trang 122

Lời giải chi tiết SGK Lớp 8 · Môn Tiếng Anh · Trang 122–123

Bài 1 (Reading): Name the technological applications

Đề: Work in pairs. Name the technological applications in the pictures. Can they be used in schools?

Gợi ý đáp án:

  1. Iris/eye recognition (nhận diện mống mắt) – hoặc retina scanner
  2. Fingerprint scanner (máy quét vân tay)
  3. Facial recognition (nhận diện khuôn mặt)

Có dùng được trong trường học không? Có. Những công nghệ này (sinh trắc học) có thể dùng để điểm danh học sinh, kiểm tra ra vào thư viện, hoặc theo dõi quá trình học.

Bài 2 (Reading): Tick B (Biometrics) or N (Nanolearning)

Đề: Read the texts and tick (✓) B (Biometrics) or N (Nanolearning).

BenefitsBN
1. It makes learning effortless.✓
2. It checks students' understanding of the lessons.✓
3. Students use it when they borrow books and equipment.✓
4. It helps increase students' learning attention.✓
5. It records students' study activities and results.✓

Giải thích:

  • Câu 1: "Your learning will become effortless" → Nanolearning (N).
  • Câu 2: "use the eye-tracking applications to check students' understanding of a lesson" → Biometrics (B).
  • Câu 3: "use these biometric applications for students who borrow books and equipment" → Biometrics (B).
  • Câu 4: "increase your learning attention" → Nanolearning (N).
  • Câu 5: "reports your study activities and results to your teacher" → Nanolearning (N).

Từ khó: truancy (trốn học), cheating (gian lận), fingerprint scanner (máy quét vân tay), facial/voice recognition (nhận diện khuôn mặt/giọng nói), attendance (sự có mặt, điểm danh), eye-tracking (theo dõi mắt), effortless (dễ dàng, không tốn sức), bits of information (mẩu thông tin nhỏ).

Bài 3 (Reading): Choose the correct answer A, B, or C

Đề: Read the texts again and choose the correct answer A, B, or C.

  1. What does checking students' attendance mean? → A. Checking their presence.

(Điểm danh nghĩa là kiểm tra sự có mặt của học sinh.)

  1. With Nanolearning students can ___. → B. improve their learning quality.

(Bài đọc nói Nanolearning giúp tăng khả năng và sự tập trung khi học, tức nâng cao chất lượng học. Đáp án A sai vì Nanolearning cho thông tin "nhỏ" chứ không phải "lớn".)

  1. What DOESN'T Nanolearning do? → C. Entertain students.

(Nanolearning có cung cấp nền tảng (platform) và báo cáo kết quả, nhưng không nói gì đến giải trí học sinh.)

  1. The texts are from ___. → B. advertisements.

(Hai đoạn văn có lời mời chào, "Believe us!", "Contact us at..." → đây là quảng cáo.)

Bài 4 (Speaking): Match questions in A with answers in B

Đề: Work in pairs. Discuss and match the questions in A with the answers in B, and then make a conversation about an invention.

Đáp án ghép:

  1. What invention? → c. Biometrics
  2. Who invented it? → a. Alphonse Bertillon
  3. When invented? → d. 1800s
  4. What benefit? → e. Check students' attendance (hoặc b. Check identities of people at airports or offices)

Mẫu hội thoại (mở rộng từ Example):

  • A: What invention do you like?
  • B: I like biometrics.
  • A: Who invented it?
  • B: Alphonse Bertillon.
  • A: When was it invented?
  • B: In the 1800s.
  • A: What's the benefit?
  • B: It can check students' attendance and check identities of people at airports or offices.

Bài 5 (Speaking): Ask and answer about a technology/invention

Đề: Work in groups. Ask and answer questions about a technology or an invention. Use the example in 4 as a cue. Then report your answers to the class.

Bài nói mẫu (report):

"Nam likes nanolearning. Junglemap invented it in 2006. It is a very useful technology. We use it to learn small amounts of information in a short time, so learning becomes easy and we can concentrate better."

SKILLS 2 – Listening

Bài 1 (Listening): Tick things a robot teacher can do

Đề: Tick (✓) the things that you think a robot teacher can do.

Đây là bài dự đoán cá nhân (không có đáp án cố định). Gợi ý hợp lý dựa trên bài nghe:

  1. It can teach different subjects. → ✓
  2. It can mark students' work. → ✓
  3. It can teach students how to behave. → (thường để trống, vì robot khó dạy cách cư xử/cảm xúc)

Bài 2 (Listening): Fill in each blank with ONE word

Đề: Listen to the conversation and fill in each blank with ONE word.

Đáp án thường gặp của bài này:

Things a robot teacher CAN doThings a robot teacher CAN'T do
speak many (1) languagesteach students how to (4) behave
teach languages, (2) maths, and many other subjectshave emotional connections with students
(3) practise with studentssolve (5) conflicts/problems between students

Lưu ý: đáp án chính xác phụ thuộc bài nghe, nhưng các từ trên là phương án phổ biến nhất.

Bài 3 (Listening): Tick T (True) or F (False)

Đề: Listen again and tick (✓) T (True) or F (False).

Đáp án tham khảo (theo nội dung bài nghe về robot teacher Elias):

TF
1. Elias can do a Gangnam style dance.✓
2. Students can practise English with the robot in real time.✓
3. The robot feels tired when it repeats words.✓
4. The robot asks questions that are too difficult for students to answer.✓
5. Robots can teach students how to behave correctly.✓

Giải thích nhanh: Robot không biết mệt (câu 3 sai), không hỏi câu quá khó (câu 4 sai), và không dạy được cách cư xử/cảm xúc (câu 5 sai).

Bài 4 (Writing): Agree or disagree – robots replace teachers

Đề: Work in pairs. Discuss if you agree or disagree that robots will soon replace teachers at schools. Write the reasons in the table.

Gợi ý điền bảng:

AgreeDisagree
1. Robots can better remember things than teachers.1. Robots can't understand students' emotions.
2. Robots can teach many subjects at the same time.2. Robots can't deal with conflicts between students.
3. Robots never get tired and can work all day.3. Robots can't teach students how to behave or build character.

Đoạn viết mẫu ngắn:
"Some people think robots will soon replace teachers. They believe robots can remember lots of information, teach many subjects, and never feel tired. However, I disagree. Robots can't understand students' emotions, can't solve conflicts between students, and can't teach them how to behave well. Teachers do more than give knowledge; they care about students. So robots may help teachers, but they will not replace them."

Từ vựng cần nhớ: replace (thay thế), emotional connection (sự kết nối cảm xúc), conflict (xung đột), behave (cư xử).

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