Choose the word or phrase that best completes the sentence or substitutes for the underlined word or phrase.
______ in large quantities in the Middle East, oil became known as black gold because of the large profit it brought.
A.Discovering
B.Which was discovered
C.Discovered
D.That when discovered

Choose the word or phrase that best completes the sentence or substitutes for the underlined word or phrase.
Jerome Kern's most famous work is Showboat, ______ , most enduring musical comedies.
A.it is one of the finest
B.of the finest one
C.the finest one
D.one of the finest

Choose the word or phrase that best completes the sentence or substitutes for the underlined word or phrase.
Many newer cars have a much lower fuel ______.
A.consuming
B.consumer
C.consummation
D.consumption

Choose the word or phrase that best completes the sentence or substitutes for the underlined word or phrase.
All fossil fuels are ______ resources that cannot be replaced after use.
A.unlimited
B.renewable
C.available
D.non-renewable

Choose the word or phrase that best completes the sentence or substitutes for the underlined word or phrase.
Pioneers, ______ in isolated areas of theUnited States, were almost totally self-sufficient.
A.who living
B.living
C.lived
D.that lived

Choose the word or phrase that best completes the sentence or substitutes for the underlined word or phrase.
The government has spent £1 million on an advertising ______ to encourage energy conservation.
A.campaign
B.promotion
C.operation
D.enterprise

Choose the word or phrase that best completes the sentence or substitutes for the underlined word or phrase.
A nuclear reactor releases ______ which is dangerous to the environment.
A.radiation
B.heat
C.energy
D.carbon dioxide

Choose the word or phrase that best completes the sentence or substitutes for the underlined word or phrase.
Solar energy can be changed ______ electricity.
A.in
B.to
C.into
D.for

Choose the word or phrase that best completes the sentence or substitutes for the underlined word or phrase.
The amount of solar energy that reaches the earth depends ______ the atmosphere.
A.to
B.in
C.on
D.with

Choose the word that has the main stress placed differently from the others
A.release
B.supplies
C.nuclear
D.convenient