REVIEW _ BAS 12 (Unit 12)

The invention of the telephone ______ by a group of individuals, many different companies. However, it is believed that the telephone _______ by Alexander Graham Bell in 1875 with the help of his friend Thomas A. Watson.

• was done - was invented

• is done - has been invented

• done - did invented

The first mobile phone with smart devices incorporated _______ by IBM in 1992, but it was not very popular in the world. It was until 1994 that the first commercially produced Smartphone ______ by the company Simon Personal Communicator. Smartphones ________ of great help since they allow us to communicate until today.

• is delveloped - was introduced - was considered

• delveloped - is introduced - had been considered

• was delveloped - was introduced - have been considered

New technologies which can help with the housework tasks ______________ at the moment, millions of domestic robots ___________ since the beginning of the century. The first successful robots ___________in Japan in the 1980s.

• being developed - been made - were created

• are being developed - have been made - were created

• developed - have been made - was created

Hawking comments about AI that it ______ surpass people in intelligence and skills as a possibility, so it ______ take control of technology and its impact on society.

• will - is able to

• can - was able to

• could - would be able to

Hawking is almost certain that greenhouse gases ______ the Earth at an increasing rate.

This means that people _____ extreme weather events such as droughts, floods and storms, which would deteriorate life on the planet.

• will warm - could face

• will warm probably - won't face

• will probably warm - might face

Any electrical _____, if used improperly, has the potential for causing fire, electrical shock or personal injury; when that happens, it's best to _______them.

• device - get rid of

• junk - install

• devices - download

Organic food is commonly perceived as a healthy and _______ option, not _____ food.

• pleasure - waste

• environmentally friendly - junk

• environmentally - junk

What does this _____do?
It helps to _____ your computer.

• memory - protect

• drive - waste

• software - protect

Why does not my phone have much ______?

There are too many ____on it.

• memory - programs

• memory - apps

• drive - app

How can I ______this ____?

Just click that button there.

• install - program

• program - app

• download - device