Trả lời: 1. Modern smartphones nowadays do not have many buttons to look better.2. Some personal computers are not suitable for outdoor use because they are not portable.3. The laptop is not working because you haven't charged it yet.4. The Internet has become a very ...
Trả lời: 1. Be careful when using electrical equipment.2. Many people do not support experiments on animals.3. The scientists carry out important research in the laboratory.4. You should install this software on your smartphone. It helps to make your photos more beautiful.5. You can...
Trả lời: 1. You should _________ the batteries fully before using the smartphones.A. apply B. display C.store D. charge2. This device _________ people to communicate...