FINAL EXAM II GRADE 8

A(n) __________ is a violent tropical storm with very strong wind.

• snowstorm

• earthquake

• volcano

• typhoon

During __________, shopping centres attract a lot of customers.

• open hours 

• sales

• office hours

• flood

There are mainly two __________ of water pollution: man-made and natural.

• ways

• causes

• reasons

• results

We use face __________ systems to identify people in photos, videos, and in real time.

• identification

• recognition

• reminder

• confirmation

They did a series of laboratory __________ on human sleep patterns in 1960s.

• experiments

• assignments

• examinations  

• discoveries

It is __________ easier to prevent harm to the environment than to repair it.

• always

• never

• sometimes

• rarely

I had no idea about the dangers of tsunamis __________ saw the film.

• as soon as

• while

• when

• till

We watched a __________ broadcast of the president’s speech. 

• live

• living

• liveable

• alive

I think we will find another habitable planet __________ 15 years.

• on

• for

• by

• in

The teacher __________ me that I should spend more time studying science subjects.

• said

• told

• asked

• spoke