Reading Exercise 5

Many thousands of hydrocarbon compounds are possible because...

• The petroleum products vary greatly in physical appearance

• Complicated refining processes rearrange the chemical structure

• The two atoms in the molecule assume many positions

• The pressure needed to force it to the surface causes molecular transformation

• Chemical elements forming petroleum are many in number

All the following statements are true, except...

• Crude oil is found below land and water

• Crude oil is always found a few hundred feet below the surface

• Pumping and pressure force crude oil to the surface

• Many petroleum products are obtained from crude oil

• The chemical composition of petroleum is formed of only two elements

How is crude oil brought to the surface?

• Pressure and pumping

• Expansion of the hydrocarbons

• Vacuum created in the drilling pipe

• Expansion and contraction of the earth's surface

• Different pressure of surface and the earth’s interior

Which of the following sentence is true according to the text?

• The various petroleum products are produced by filtration

• Chemical separation is used to produce the various products

• Mechanical means, such as centrifuging, are used to produce the various products

• Crude oil wells flow at the same rate all over the world

• Heating and condensing produce the various products

The text above is about...

• Crude oil

• How to refine crude oil

• Petroleum products

• Chemical elements of crude oil

• Petroleum products are made of two elements

The subject matter discussed in the passage is .....

• The effect of fresh water shortage

• Project to provide fresh and clean water

• Nature disturbance leading to availability of water

• Alarming condition of the world water shortage

• The amount of fresh water on earth

The part following the passage will likely discuss...

• The spread of greater water shortage in Africa, India, and Spain

• The writer's discoveries of gloomy water news

• Techniques taken to obtain maximum efficiency from every drop of water

• Another environmental specters confronting humanity

• The solving ideas of individuals, organizations, and businesses problems

What inference can undermine the information taken from the passage?

• Poor sanitation leads to water-related illness

• The growth of world population is imbalance with the clean water availability

• There is always new study making another alarming prediction about fresh water

• It is estimated that 1.2 billion people drink unclean water, and about 2.5 billion lack proper toilets or sewerage systems

• Only one percent of water is available for drinking, irrigation, and industrial use

What will the following part possibly discuss?

• The spread of greater water shortage in Africa, India, and Spain

• The writer's discoveries of gloomy water news

• Techniques taken to obtain maximum efficiency from every drop of water

• Another environmental specters confronting humanity

• The solving ideas of individuals, organizations, and businesses problems

What is the main focus of the passage?

• The effect of fresh water shortage

• Project to provide fresh and clean water

• Nature disturbance leading to availability of water

• Alarming condition of the world water shortage

• The amount of fresh water on earth