Giải Unit 8 Science - 8B. Grammar - Sách Tiếng Anh 10 Chân trời sáng tạo. Phần đáp án chuẩn, hướng dẫn giải chi tiết cho từng bài tập có trong chương trình học của sách giáo khoa. Hi vọng, các em học sinh hiểu và nắm vững kiến thức bài học..
1. SPEAKING Work in pairs. How many different things do people use mobile phones for? Think of as many as you can in two minutes. (NÓI. Làm việc theo cặp. Mọi người sử dụng điện thoại di động cho bao nhiêu việc khác nhau? Hãy nghĩ nhiều nhất có thể trong vòng hai phút.)
Trả lời:
People use mobile phones to: make a phone call; chat with friends; play games; look for information; read news...
2. Read the text. What happened in 1973, 1986, 1992 and 1997? (Đọc văn bản. Điều gì đã xảy ra vào các năm 1973, 1986, 1992 và 1997?)
A brief history of mobile phones »Nearly a billion mobile phones are sold every year worldwide. » The first mobile phone call was made in 1973 by Martin Cooper. He was an inventor for a leading mobile phone company. The call was answered by the boss of a rival company, who was not happy to hear that he had lost the race. » The first mobiles were powered by batteries that weighed nearly a kilo. »Voicemail was added to phones in 1986. Internet access was not added for another ten years. » The first text message was sent in December 1992. it was not typed on the phone itself but on a computer. » The camera phone was invented in 1997 by Philippe Kahn. Photos of his newborn daughter were shared via his phone with 2,000 friends and family. » In the UK, a mobile phone is stolen every three minutes. »What are mobile phones used for the most? It isn't texting or calling — it's checking the time! | Sơ lược về lịch sử điện thoại di động » Gần một tỷ điện thoại di động được bán mỗi năm trên toàn thế giới. » Cuộc gọi điện thoại di động đầu tiên được thực hiện vào năm 1973 bởi Martin Cooper. Ông là nhà phát minh cho một công ty điện thoại di động hàng đầu. Cuộc gọi đã được trả lời bởi ông chủ của một công ty đối thủ, người không vui khi biết rằng mình đã thua cuộc đua. » Những chiếc điện thoại di động đầu tiên chạy bằng pin nặng gần một kilogram. » Thư thoại đã được thêm vào điện thoại vào năm 1986. Truy cập Internet không được tích hợp vòng trong mười năm sau đó. » Tin nhắn văn bản đầu tiên được gửi vào tháng 12 năm 1992. Nó không được gõ trên điện thoại mà là trên máy tính. » Điện thoại chụp ảnh được phát minh vào năm 1997 bởi Philippe Kahn. Hình ảnh con gái mới sinh của anh được chia sẻ qua điện thoại với 2.000 bạn bè và gia đình. » Ở Anh, cứ ba phút lại có một chiếc điện thoại di động bị đánh cắp. » Điện thoại di động được sử dụng nhiều nhất để làm gì? Không phải nhắn tin hay gọi điện – mà là để kiểm tra thời gian! |
Trả lời:
- In 1973: The first mobile phone call was made by Martin Cooper
- In 1986: Voicemail was added to phones
- In 1992: The first text message was sent
- In 1997: The camera phone was invented
3. Study the first two sentences of the text in exercise 2. Then complete the Learn this! box. (Học hai câu đầu của văn bản trong bài tập 2. Sau đó hoàn thành phần Learn this!)
LEARN THIS! The present and past passive
a The passive is formed with the correct form of the verb (1) ________ and the past participle.
b We use the (2) _________ simple of be for the present passive and the (3) ________ simple of be for the past passive.
c If we want to say who perforrned the action, we use (4) _________ + their name.
Trả lời:
a The passive is formed with the correct form of the verb (1) __be__ and the past participle.
b We use the (2) ____present____ simple of be for the present passive and the (3) __past__ simple of be for the past passive.
c If we want to say who perforrned the action, we use (4) ___by___ + their name.
4. Find twelve examples of the passive in the text. Which examples are a) plural, b) negative or c) a question? (Tìm mười hai ví dụ về thể bị động trong văn bản. Những ví dụ nào là a) số nhiều, b) phủ định hoặc c) câu hỏi?)
Trả lời:
+ "Nearly a billion mobile phones are sold every year worldwide." => plural
+ "The first mobile phone call was made in 1973 by Martin Cooper."
+ "The call was answered by the boss of a rival company,..."
+ "The first mobiles were powered by batteries that weighed nearly a kilo." => plural
+ "Voicemail was added to phones in 1986."
+ "Internet access was not added for another ten years." => negative
+ "The first text message was sent in December 1992."
+ "It was not typed on the phone itself but on a computer."
+ "The camera phone was invented in 1997 by Philippe Kahn."
+ "Photos of his newborn daughter were shared via his phone with 2,000 friends and family."
+ "In the UK, a mobile phone is stolen every three minutes."
+ "What are mobile phones used for the most?" => question
5. Read the Look out! box. Complete the sentences with the present simple or past simple passive of the verbs in brackets. (Đọc phần Look out! Hoàn thành các câu với thì hiện tại đơn hoặc quá khứ đơn của động từ trong ngoặc)
1 Mobile phones are owned (own) by about 43 billion people in the world today.
2 The best-selling phone ever was the Nokia T100. More than 250 milllon _________ (sell).
3 In Japan, mobiles _________ (often /us) in the shower, so most of them are waterproof.
4 The average text message __________ (usually / answer) within 90 seconds.
5 Today, the internet __________ (access) more often from a phone than from a computer.
6 More text messages __________ (send) every year in the Philippines than in any other country.
Trả lời:
2 The best-selling phone ever was the Nokia T100. More than 250 milllon ___were sold___ (sell).
3 In Japan, mobiles _____is often used____ (often /us) in the shower, so most of them are waterproof.
4 The average text message _____is usually answered_____ (usually / answer) within 90 seconds.
5 Today, the internet _____is accessed_____ (access) more often from a phone than from a computer.
6 More text messages _____are sent_____ (send) every year in the Philippines than in any other country.
6. Complete the questions about the reading texts in Units 1-7 using the correct passive form of the verbs in brackets. (Hoàn thành các câu hỏi về bài đọc trong Bài1-7 bằng cách sử dụng dạng bị động đúng của các động từ trong ngoặc.)
1 Why _______Ashlyn Blocker ________(watch) more carefully than all the other children at her school? [1F]
2 _______Dan and Kate Suski ________(rescue) by helicopter after their boat sank? [2F]
3 What skills ________ (improwe) by playing online video games, according to a report? [3F]
4 Who ________(nearly / kill) by a storm at a paragliding event? [4F]
5 Where________AndrewJohnson _______(employ) as a Master Model Builder? [5F]
6 Where meetings _________(sometimes / hold) if Aaron Levie is choosing the ________venue? [6F]
7 What ________Hillary Bradt _______(show) to do on her holiday? [7F]
Trả lời:
1 Why ___was___Ashlyn Blocker __watched__(watch) more carefully than all the other children at her school? [1F]
2 __Were __Dan and Kate Suski __rescued__(rescue) by helicopter after their boat sank? [2F]
3 What skills ___were improved___ (improve) by playing online video games, according to a report? [3F]
4 Who ___was nearly killed___(nearly / kill) by a storm at a paragliding event? [4F]
5 Where__was__AndrewJohnson ___employed___(employ) as a Master Model Builder? [5F]
6 Where meetings __are__(sometimes / hold) if Aaron Levie is choosing the ___held___venue? [6F]
7 What __was__Hillary Bradt __showed__(show) to do on her holiday? [7F]
7. SPEAKING Work in pairs. Ask and answer the questions in exercise 6. (NÓI. Làm việc theo cặp. Hỏi và trả lời các câu hỏi trong bài tập 6.)
Trả lời:
1 Why was Ashlyn Blocker watched more carefully than all the other children at her school? [1F]
=> Because she had a unusual medical condition that she couldn't feel any pain so she sometimes injured herself.
2 Were Dan and Kate Suski rescued by helicopter after their boat sank? [2F]
=> No, they got a land after hours swam on the sea.
3 What skills were improved by playing online video games, according to a report? [3F]
=> Video games can actually improve certain mental skills.
4 Who was nearly killed by a storm at a paragliding event? [4F]
=> Ewa Wiśnierska was nearly killed by a storm at a paragliding event.
5 Where was AndrewJohnson employed as a Master Model Builder? [5F]
=> He was employed at Legoland Discovery Centre in Illinois.
6 Where meetings are if Aaron Levie is choosing the held venue? [6F]
=> He chose lunch meeting in burger bar.
7 What was Hillary Bradt showed to do on her holiday? [7F]
=> She was showed how to harvest coffee, carry it in a special backpack and roast it.