I. 1. achievement

   2. in the face of

   3. excitement

   4. reaching

   5. protection

   6. preparing

   7. spent

II. 1. The more; the better

    2. the most wonderful

    3. the longest

    4. the most famous

    5. more carefully

III. 1. As far as I know

     2. live up to

     3. fell over; hurt

     4. research

     5. even though / if

IV. One possible version:

Saving Wild Animals

There are many endangered animals in the world, such as tigers and elephants. The number of them is smaller and smaller. That is because of people’s actions. When people cut down trees, wild animals have no place to live or hide. Also some people kill them for their fur, skin, teeth or meat.

As we know, animals are our friends, so it’s our duty to protect wild animals. We should encourage people to plant more trees and ask them not to kill wild animals.

If each of us does something, more and more wild animals will be saved.