STARS WORLD ENGLISH 12 - UNIT 7 - LESSON 2

Do you know who ____ the fact that sound travels in waves?

• developed

• discovered

• found

• invented

I'm thinking of getting a fax ____.

• engine

• instrument

• machine

• motor

The ____ of the outbreak of the disease is still unknown.

• aim

• cause

• motive

• reason

GPS systems help a lot of people ____ on land, on the sea, and in the air.

• inform

• interfere

• navigate

• reunite

After the power failure last night, the washing machine started to ____, so I had to wash the clothes by hands.

• make noise

• malfunction

• operate

• work

FM is a method of ____ signals, especially in radio broadcasting.

• transacting

• transferring

• transmitting

• translating

UFO is an acronym for ____ Flying Object.

• Unidentified

• Unimaginative

• Unknown

• Unique

The biggest fear is that humans might ____ control over robots.

• gain

• keep

• lose

• take

Researchers have ____ to the conclusion that your personality is affected by your genes.

• arrived

• come

• got

• reached

The telescope will photograph distant galaxies, ____ attempt to understand their past.

• in

• for

• on

• with