Rational Cloze

People are becoming more and more aware of the importance ______ conservation.

• for

• to

• of

• in

Conservation means ______ things to many people

• some

• many

• few

• plenty

To some it means preserving our forests and wildlife. To others it means using our natural resources ______.

• wisely

• bravely

• happily

• attractively

Whatever it means, conservation is considered essential if people ______ the earth to continue supporting the human race.

• must expect

• might expect

• expect

• expects

The need for conservation ______ because the human race is using the world's natural resources ______ greater quantity and variety than ever before

• arise,in

• has arisen, at

• was arising,from

• is arisen,for

______ the world's population grows, and as more people demand a higher standard of living, the demand for resources ______.

• If, increased

• Although, increasing

• As, increases

• Since, to increase

These resources include oil, coal and natural gas. They cannot ______ replaced once they have been used.

• being

• to be

• been

• be

The only way to make resources last longer is to use ______.

• least

• less

• lesser

• few

Similarly, other natural resources like our forests and wildlife may be ______ forever.

• lose

• loose

• to lose

• lost

Several species of wild life may become extinct because of the felling of their forest homes or uncontrolled hunting _____humans.

• by

• to

• of

• off