Choose the word or phrase that needs correcting.
The world's rain forests are being cut down at the rate on 3,000 acres per hour.
A.rain
B.are being
C.on
D.per hour

Choose the word or phrase that needs correcting.
Chicago's Sears Tower, now the tallest building in the world, rises 1,522 feet from the ground, to the top of it antenna.
A.now
B.rises
C.feet
D.it

Choose the word or phrase that needs correcting.
In just three months H.G. Wells wrote the famous classic The Time Machine for what he won a Newberry Caldecot award.
A.just
B.wrote
C.what
D.a

Fill in the blanks with the correct answers.
Have you ever used a magnifying glass to make something melt or burn? If yes, you were using solar power! "Solar" is the Latin word for "sun" - and it's a powerful (26)________ of energy. In fact, the sunlight that shines on the Earth in just one hour could meet world energy demand (27)__________ an entire year! We can use solar power in two different ways: as a heat source, and as an energy source. People have used the sun as a heat source for thousands of years. Families in ancient Greece built their homes to get the most sunlight (28)________ the cold winter months. In the 1830s, explorer John Herschel used a solar collector to cook food during an adventure in Africa. You can even try this at home! (29)___________, we can use solar collectors for heating water and air in our homes. If you've seen a house with big shiny panels (30)____________, that family is using solar power.
(26)
A.source
B.origin
C.mine
D.root

Choose the word which has a different stress pattern.
A.pressure
B.recent
C.micron
D.collapse

Choose the word which has a different stress pattern.
A.empathy
B.fantastic
C.internet
D.recognize

Choose the word which has a different stress pattern.
A.energy
B.natural
C.relative
D.pollution

Choose the word or phrase that best completes the sentence.
One danger is in ______ radioactive wastes which are produced during nuclear reactions.
A.consisting of
B.getting rid of
C.making use of
D.taking care of

Choose the word or phrase that best completes the sentence.
We should develop such ______ sources of energy as solar energy and nuclear energy.
A.tradition
B.alternative
C.revolutionary
D.surprising

Choose the word or phrase that best completes the sentence.
It’s important for the developed countries to reduce energy ______ as much as possible.
A.exhaustion
B.destruction
C.consumption
D.waste