Elephants are perhaps the only animals that are hunted for t

Elephants are perhaps the only animals that are hunted for their teeth.Elephants’ tusks,or very large teeth growing on either side of their mouths,are composed of a valuable material called ivory.
As elephant uses its long,pointed tusks as tools for digging in the ground for food.He also uses them as weapons in combat.
The tusks of male elephants are usually large and heavy.In Africa,female elephants have long,light tusks.In India and other parts of southern Asia,female elephants have small,short tusks or none at all.
Tusks in good condition are in great demand,and may sell for as high as two thousand dollars or more.Because of this,large numbers of elephants have been killed.Some countries have initiate methods of trying to protect elephants.They have established elephant preserves,or area of land set aside for herds of elephants where no one is allowed to harm them.Elephants on the preserves are safe from ivory hunters.
( ) 81.Which animal’s teeth are the most valuable?
A.Horses’.B.Dogs’.C.Elephants’.D.Deer’s.
( ) 82.Elephants’ tusks aren’t used as________.
A.tools for food B.weapons for fighting
C.food for human being D.digging tools in the ground
( ) 83.Which elephants have long,light tusks?
A.The male elephants.
B.The female elephants in Africa.
C.The female elephants in India.
D.The female elephants in some parts of Southern Asia.
( ) 84.Large numbers of elephants have been killed because________.
A.they often destroy houses and crops
B.the ivory is very valuable and in great demand
C.they make the hunters angry
D.a great deal of animals have been eaten by them
( ) 85.Which of the following statements is true?
A.There are no elephants except Asia.
B.All the countries have initiated methods to protect elephants.
C.No one is allowed to harm elephants in the preserves and herds.
D.Elephants in the preserves aren’t safe at all.

81 C
82 C
83 B
84 B
85 C