DISCOVRY AND INVENTION

The light bulb was one of the most important---------------.

• discovery

• invention

• gesture

The--------------------of gravity was accidental.

• invention

• discovery

• disability

---------------------are very important in human communication.

• discovery

• invention

• gestures

most public places are simply not geared to people with---------------

• gestures

• disability

• humanoid

The robot was-------------------- in appearance.

• gesture

• disability

• humanoid

practice walking over------------------ground is a good exercise to lose weight.

• gesture

• humanoid

• uneven

It is a new --------------------------aid designed to help blind people.

• humanoid

• disability

• mobility aid

The Wheel

• Invention

• Discovery

The TV

• Invention

• Discovery

Dinosaurs

• Invention

• Discovery