Complete IELTS 4.0-5.0 - Unit 4

Willis Carrier _____ the first air-conditioning unit in 1902.

• designed

• draw

• predicted

Next Summer, we will experience more _____ in the global temperature.

• convert

• exchange

• fluctuation

New invention in printing technology led to the development of ____ industry.

• textile

• texting

• health-care

People ____ the streets on New Year Eve.

• run

• congest

• crowd

The ____ use of smartphones makes it easier for people to communicate with one another.

• spreading

• widespread

• narrowed

The use of technology can help employers maximize their ____.

• cost

• price

• income

What does she do?

• typer

• typing

• typist

Installing air conditioning increased _____ amongst employees.

• produce

• productivity

• production

The _____ of the local residents (nearly 80%) agree with the construction of a new shopping mall.

• major

• minor

• majority

• minority

Exhaust fumes are a _____ in global warming.

• factor

• way

• measure