vocabulary about drones

What's the definition of "decade"?

• A period of thousand years, especially a continuous period.

• A period of hundred years, especially a continuous period.

• A period of ten years, especially a continuous period.

What's the definition of "familiar"?

• Often seen or heard and therefore easy to recognize.

• The thing that something is supposed to achieve.

• A small tool or device that does something useful.

What's the definition of "gadget"?

• The ability to see.

• A small tool or device that does something useful

• A person who hates somebody or who acts or speaks against somebody/something.

What's the definition of "invade"?

• Using military force in order to take control of it.

• Any vehicle that can fly and carry goods or passengers.

• The activity of getting information about an area for military purposes, using soldiers, planes, etc.

Which picture is aircraft?

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Which picture is reconnaissance?

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Which picture is the rescue team?

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Which picture is the territory?

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Which picture is cinematography?

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Which picture is the pilot?

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