Unit 5 inventions

(Pronunciation trang 34) (Điền khuyết chọn từ danh sách) Choose the word that differs from the other three in the position of primary stress. 1. Internet, attention, invention, advantage: [ ___ ] 2. average, document, computer, everything: [ ___ ] 3. grandfather, afternoon, library, photograph: [ ___ ] 4. favourite, tradition, family, exercise: [ ___ ] 5. banana, January, century, syllable: [ ___ ] 6. volunteer, engineer, Vietnamese, holiday: [ ___ ] 7. opinion, energy, customer, telephone: [ ___ ] 8. instrument, confidence, donation, orphanage: [ ___ ]

(Vocabulary 1 trang 34) (Kéo thả vào chỗ trống) Complete the sentences using the words in the box. 1. Modern [ ___ ] nowadays do not have many [ ___ ] to look better. 2. Some personal [ ___ ] are not [ ___ ] for outdoor use because they are not portable. 3. The [ ___ ] is not working because you haven't [ ___ ] it yet. 4. The Internet has become a very [ ___ ] learning tool. 5. He spilled his coffee on his desk and so now there is a [ ___ ] on the desk.

(Vocabulary 2 trang 34) (Điền khuyết chọn từ danh sách) Choose the correct word to complete each sentence. 1. Be careful when using electrical [ ___ ]. 2. Many people do not support [ ___ ] on animals. 3. The scientists carry out important research in the [ ___ ]. 4. You should install this [ ___ ] on your smartphone. It helps to make your photos more beautiful. 5. You can store thousands of songs on this [ ___ ]. 6. I think this is a [ ___ ] problem. The computer screen is broken. 7. A robot vacuum cleaner is a [ ___ ] device in your home. It makes housework less tiring. 8. The uses of [ ___ ] Intelligence are very diverse.

(Vocabulary 3 trang 35) (Điền khuyết chọn từ danh sách) Choose the best answers to complete the sentences below. 1. You should [ ___ ] the batteries fully before using the smartphones. 2. This device [ ___ ] people to communicate by using voice commands. 3. [ ___ ] cars can work with little human control. 4. "[ ___ ]" means "made by humans". 5. [ ___ ] is not part of a computer. 6. This device is not [ ___ ] for children. 7. We do not like [ ___ ] on animals. 8. They [ ___ ] a new camera in the classroom to monitor the activities.

(Grammar 1 trang 35) (Điền khuyết chọn từ danh sách) Choose the best answers to complete the sentences. 1. The door and the window are open. I think someone [ ___ ] into our house! 2. Jane [ ___ ] Chinese, but she quitted because it was too difficult. 3. Dave [ ___ ] Chinese for six years now. He likes it. 4. We have worked here [ ___ ] 2002. 5. The company [ ___ ] a new kind of smartphone. It looks fantastic! 6. Hoa is not coming to class today. She [ ___ ] back to her hometown. 7. She has had this smartphone [ ___ ] 10 years. 8. This is a delicious cake, but we have [ ___ ] had a big dinner and feel very full.

(Grammar 2 trang 36) (Điền khuyết chọn từ danh sách) Complete the sentences using the correct forms of the verbs in brackets. 1. Avoid (charge) [ ___ ] the device for too long. It may overheat and break down. 2. It's very convenient (look) [ ___ ] up a new word on a smartphone when learning English. 3. Computers allow us (store) [ ___ ] a lot of information. 4. Robots help us (do) [ ___ ] difficult or dangerous tasks. 5. (Carry) [ ___ ] a laptop around is easy because it is often very light and small. 6. I decided (give) [ ___ ] my old laptop to my younger brother. 7. Some people hate (use) [ ___ ] technology. 8. My friends enjoy (learn) [ ___ ] English on their smart devices.

(Grammar 3.1 trang 36) (Điền khuyết chọn từ danh sách) There is a mistake in the sentence. Find the incorrect phrase and choose the correct correction. We lived here since 1990. We all enjoy living in this neighbourhood. Incorrect phrase: [ ___ ]. Correction: [ ___ ].

(Grammar 3.2 trang 36) (Điền khuyết chọn từ danh sách) There is a mistake in the sentence. Find the incorrect word and choose the correct correction. Have you finished did your homework? Incorrect word: [ ___ ]. Correction: [ ___ ].

(Grammar 3.3 trang 36) (Điền khuyết chọn từ danh sách) There is a mistake in the sentence. Find the incorrect word and choose the correct correction. They want trying the new device because it is very useful. Incorrect word: [ ___ ]. Correction: [ ___ ].

(Grammar 3.4 trang 36) (Điền khuyết chọn từ danh sách) There is a mistake in the sentence. Find the incorrect word and choose the correct correction. I have used this smartphone during 20 years. It is old now. Incorrect word: [ ___ ]. Correction: [ ___ ].

(Grammar 3.5 trang 36) (Điền khuyết chọn từ danh sách) There is a mistake in the sentence. Find the incorrect word and choose the correct correction. We have recent bought a new laptop. Incorrect word: [ ___ ]. Correction: [ ___ ].

(Grammar 3.6 trang 36) (Điền khuyết chọn từ danh sách) There is a mistake in the sentence. Find the incorrect word and choose the correct correction. Design a new invention is not easy. Incorrect word: [ ___ ]. Correction: [ ___ ].

(Grammar 3.7 trang 36) (Điền khuyết chọn từ danh sách) There is a mistake in the sentence. Find the incorrect phrase and choose the correct correction. I have tried everything but it is really difficult for remove this stain. Incorrect phrase: [ ___ ]. Correction: [ ___ ].

(Grammar 3.8 trang 36) (Điền khuyết chọn từ danh sách) There is a mistake in the sentence. Find the incorrect phrase and choose the correct correction. Everyone has met at the meeting yesterday and we had a great discussion. Incorrect phrase: [ ___ ]. Correction: [ ___ ].

(Reading 1 trang 36) (Điền khuyết chọn từ danh sách) Read the text and choose the best answers. E-READERS An e-reader is a small [ ___ ] on which you can store and read texts downloaded from the Internet. Compared with printed books, e-readers are often more [ ___ ] because an e-reader allows us to store thousands of books while it is only as heavy as a single book. Besides, it has a lot of useful features that a [ ___ ] does not have. The first e-reader was introduced by a small company in 1999. However, it was not until people became interested in e-books that e-readers became [ ___ ] around the world. In 2007, Amazon created Kindle, a famous e-reader which has been widely used since then. [ ___ ] e-readers have become less popular since tablets and smartphones were introduced, they are still used by many book lovers today.

(Reading 2 trang 37) (Kéo thả vào chỗ trống) Read the text and complete each sentence below with ONE word from the text. 1. Another name for driverless cars is [ ___ ] cars. 2. [ ___ ] on driverless cars allow them to avoid objects that block their way. 3. Driverless cars can help [ ___ ] people get around. 4. Only [ ___ ] driverless cars have been used in public areas up to now. 5. Driverless rides were offered to the public for the first time in [ ___ ] in 2020. 6. The development of driverless cars has met certain [ ___ ]. 7. There is concern about [ ___ ] when different types of cars are on the roads. 8. As driverless cars are getting more popular, more people may become [ ___ ].

(Speaking 1 trang 37) (Điền khuyết chọn từ danh sách) Complete the conversations by choosing the best answers. Then practise reading them. 1. Customer: I'm looking for a new smartphone. Do you have new models? Shop assistant: Of course, but can you [ ___ ] about your needs first? 2. Shop assistant: We have a lot of smartphones here. Please take a look. Customer: Hmm... It's hard to choose. [ ___ ] one for me? 3. Customer: Can you show me how to use this smartphone? Shop assistant: [ ___ ]. 4. Customer: Thank you for your help. Shop assistant: No problem. [ ___ ] ask me if you need further information.

(Speaking 2 trang 38) (Kéo thả vào chỗ trống) Complete the short talk about touchscreens. I'd like to talk about [ ___ ], which are used on many smartphones, laptops and tablets today. The touchscreen is a great invention because it allows people to use and [ ___ ] easily. They do not have to press complicated buttons but can control everything quickly and conveniently by touching the screen. Therefore, one of the main benefits of the touchscreen is reducing the number of [ ___ ] on devices, making them more compact and lighter. Besides, touchscreens can make devices look more [ ___ ]. I often use devices with touchscreens, such as my smartphone and my father's laptop. I think touchscreens are becoming more and more [ ___ ] in Viet Nam because everyone, including me, enjoys using them.

(Writing 1.1 trang 38) (Lựa chọn) Choose the sentence which has the closest meaning to the original one.

Ms Hoa started teaching English in 2000.

(Writing 1.2 trang 38) (Lựa chọn) Choose the sentence which has the closest meaning to the original one.

Learning Japanese is very difficult but interesting.

(Writing 1.3 trang 38) (Lựa chọn) Choose the sentence which has the closest meaning to the original one.

3D printing is used to make three-dimensional objects.

(Writing 1.4 trang 38) (Lựa chọn) Choose the sentence which has the closest meaning to the original one.

Driverless cars can help reduce road traffic accidents.

(Writing 1.5 trang 38) (Lựa chọn) Choose the sentence which has the closest meaning to the original one.

We should not leave the door open at night.

(Writing 1.6 trang 38) (Lựa chọn) Choose the sentence which has the closest meaning to the original one.

The Internet helps us communicate easily among other things.

(Writing 1.7 trang 39) (Lựa chọn) Choose the sentence which has the closest meaning to the original one.

We can exchange information conveniently thanks to the invention of the email.

(Writing 1.8 trang 39) (Lựa chọn) Choose the sentence which has the closest meaning to the original one.

3D printing helps reduce production costs.

(Writing 2.1 trang 39) (Lựa chọn) Choose the sentence that is best written from the words and phrases given.

It / just / rain. The roads / still / wet / now.

(Writing 2.2 trang 39) (Lựa chọn) Choose the sentence that is best written from the words and phrases given.

It / late / now. How long / you / wait?

(Writing 2.3 trang 39) (Lựa chọn) Choose the sentence that is best written from the words and phrases given.

Stay / up late / not good / your health.

(Writing 2.4 trang 39) (Lựa chọn) Choose the sentence that is best written from the words and phrases given.

Everyone / my class / like / learn / English.

(Writing 2.5 trang 39) (Lựa chọn) Choose the sentence that is best written from the words and phrases given.

It / difficult / learn / Chinese / well.

(Writing 2.6 trang 39) (Lựa chọn) Choose the sentence that is best written from the words and phrases given.

Nam / already / do / his homework. He / watch / football / TV / now.

(Writing 2.7 trang 39) (Lựa chọn) Choose the sentence that is best written from the words and phrases given.

This software / enable / more people / study / online / since / its invention.

(Writing 2.8 trang 39) (Lựa chọn) Choose the sentence that is best written from the words and phrases given.

We / try / solve / puzzle / an hour / but / we / not find / the answer yet.

(Writing 3 trang 39) (Trả lời tự luận)

Write about this topic (120 - 150 words). Use the suggested questions below to help you.

Think of and write about an invention which could be useful for everyone in your family. The invention could be imaginary.

1. What is the invention?

2. What are its benefits? Give some explanation and examples.

3. How important or useful is the invention? Will the invention be for your family?