It can be inferred from the passage that before the Industrial Revolution _______.

A. families were larger

Why does the author mention humans in the second paragraph?

The author suggests that in Canada during the1950's _______.

According to the passage, when did Canada's baby boom begin?

What does the passage mainly discuss?

A faulty program in a hospital or police computer could (70) _________terrible mistakes.

A. do

A. foul

A. changed

A. break up

A. becoming

A. dependent

A. done out 

Prices have gone ……….….in the supermarket, so everything is much more expensive than a year ago.

We have called _{………………….}the meeting until we can find someone who can write a protocol.

She had fainted, but we managed to bring her _{…………………….}by splashing water on her face.

The instructor warned the students_{…………………….}swimming alone in the pool.

Part 4: Questions from 56 to 60.

Fill in each blank with a suitable preposition.

Part 3: Questions from 51 to 55. 

Each of the following sentences has an error. Find the errors and correct them.

Being the hardest natural substance, diamond is practically _{………………………….}.

There was a donation of $100,000 made by an anonymous _{………………………….}

The mother is usually the homemaker and the father is the _{………………………….}

His _{………………………….}of his opponent led to his biggest failure.

The main reason I believe children shouldn’t be exposed to violence on TV is that they are so _{………………………….}at that age.