12.According to the passage,how long can a president hold office consecutively at most?
13. What can we infer from the passage?
Passage Two
Elephants are perhaps the only animals that are hunted for their teeth.
Elephants tusks, or very large teeth growing ones
on either side of their mouths are composed of a valuable material called ivory.
An elephant uses its long
pointed tusks as tools for digging in the ground for foot
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 initiated methods of trying to protect elephants
These have established elephant preserves
or areas 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.
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