Choose the best answer to complete each unfinished sentence.
________ is the process by which a piece of land becomes dry, empty, and unsuitable for growing trees or crops on.
A.desert
B.deserted
C.desertify
D.desertification

Choose the best answer to complete each unfinished sentence.
If you look on a map you will see that there is a desert next ________ the Rocky Mountains in the United States.
A.of
B.to
C.with
D.for

Choose the best answer to complete each unfinished sentence.
The wind that blows in the desert comes ________ far away waters.
A.for
B.with
C.in
D.from

Choose the sentence which has the closest meaning to the original one.
Slippery as the roads were, they managed to complete the race.
A.The roads were so slippery that they could hardly complete the race.
B.The roads were slippery but they managed to complete the race.
C.The roads were slippery so they could hardly complete the race.
D.The roads were so slippery; therefore, they could hardly complete the race.

Choose the sentence which has the closest meaning to the original one.
Because it was an interesting novel, I stayed up all night to finish it.
A.I stayed up all night to finish the novel, therefore, it was interesting.
B.Unless it were an interesting novel, I would stay up all night to finish it.
C.Though it was an interesting novel, I stayed up all night to finish it.
D.So interesting was the novel that I stayed up all night to finish it.

Choose the best answer to complete each unfinished sentence.
Cold deserts can be covered in ________ snow or ice and frozen water is unavailable to plant life.
A.a
B.an
C.the
D.Ø

(35) _____
A.spend
B.take
C.last
D.experience

(33) _____
A.when
B.while
C.as
D.because

Which sentence is true?
A.No one can survive in both hot and cold deserts.
B.Modern technology makes deserts more hospitable.
C.In the United States, all deserts are quite uninhabited.
D.There are no deserts in Israel.

Sandstorms ________.
A.do no harm to machinery
B.have effects only on the eyes
C.never lasts more than one hour
D.have bad effects on both human beings and machinery