REVISION FOR THE SECOND MID-TERM TEST

It is ________ to hurt animals for no reason.

• cruel

• electric

• extinct

• alternative

The astronauts returned to Earth in a small ________.

• gravity

• capsule

• radar

• microchip

In the science fiction movie, an ________ visited Earth from another planet.

• exploration

•  species

• alien

• threat

Learning a new language can be ________, but it is also fun.

• rewarding

• challenging

•  prehistoric

• beneficial

People often ________ to the rules at work to avoid problems.

• reward

• rebel

• assist

• conform

He spends all day watching TV and is becoming a real ________.

• extrovert

• couch potato

• optimist

•  realist

The scientists made a major ________ in cancer research.

• spacewalk

• introvert

• optimist

• breakthrough

She loves trying new things and she is very ________.

• pessimistic

• sociable

• prehistoric

• adventurous