Directions:Put the following paragraph into Chinese. Write your Chinese version in the proper space on Answer Sheet Ⅱ.
An important clue to the understanding of Australia is the ecosystem. An ecosystem is a collection of different living and non-living things which are found together and which depend on each other. The sun’s energy is necessary to make the ecosystem work, and, as well, the elements carbon, hydrogen, oxygen, nitrogen, and twelve other elements in smaller amounts, are needed to be continually cycled in the ecosystem.