1. Complete the sentences using the words in the box.

(Hoàn thành các câu bằng cách sử dụng các từ trong hộp.)

buttons                         charged              suitable              valuable

smartphones                     laptop            computers              stain

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.

2. Choose the correct word to complete each sentence.

(Chọn từ đúng để hoàn thành mỗi câu.)

1. Be careful when using electrical equipment / experiment.

2. Many people do not support experiments / laboratories on animals.

3. The scientists carry out important research in the laboratory / equipment.

4. You should install this hardware / software on your smartphone. It helps to make your photos more beautiful.

5. You can store thousands of songs on this experiment /device.

6. I think this is a hardware / software problem. The computer screen is broken.

7. A robot vacuum cleaner is a helpless / helpful device in your home. It makes housework less tiring.

8. The uses of Artificial / Robot Intelligence are very diverse.

3. Choose the best answers to complete the sentences below.

(Chọn câu trả lời đúng nhất để hoàn thành các câu dưới đây.)

1. You should _________ the batteries fully before using the smartphones.

A. apply             B. display           C.store               D. charge

2. This device _________ people to communicate by using voice commands.

A allows            B. makes            C. applies           D. lets

3. _________ cars can work with little human control.

A. Driver           B. Driven           C. Driverless      D. Non-driver

4. _________ ' means 'made by humans'.

A. valuable        B. useful            C. artificial         D. helpful

5. _________  is not part of a computer.

A. Hardware      B. Software        C. Process          D. RAM

6. This device is not_________  for children.

A. suitable         B. valuable         C. various          D. artificial

7. We do not like_________  on animals.

A experiences    B. experiments   C. exercises        D. expressions

8. They _________ a new camera in the classroom to monitor the activities

A. applied          B. installed         C. displayed       D. stored