Review 3 (units 6-7-8 )

The new _______ working in the customer service department looks so real that many people have mistaken her for a human being.

• Probation

• Android/robot

My brother Minh has the _______ of a good leader

• Android

• Qualities

Some people support the idea of reviving _______ species, but others are against this idea

• Quality

• Extinct

One day, medical _______ will replace human surgeons and perform complex surgical procedures.

• Robots

• Android

Many touchscreen mobile devices such as smartphones and tablet computers use the _______ operating system.

• Extinction

• Android

New employees can be put on a _______ period to see if they are suitable for the position.

• Probation

• Extinction

In spite of the importance of biodiversity, _________ efforts are not strong enough.

• Conservation

• Conserved

• Conserve

In his book On the Origin of Species, published in 1859, Charles Darwin first formulated the theory of _________ by natural selection.

• Evolution

• Evolutionary

• Evolve

Species _________, or species richness, is especially important to life on Earth.

• Diversity

• Diverse

• Diversify

I think the best way to _________ wild animals and plants is to protect their habitats.

• Conserve

• Evolve

• Diversify