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