Ⅰ.阅读理解
A new system has been developed to measure the health of the world’s oceans.Scientists say the system will change the way we think about oceans and how they affect our lives.It is called the Ocean Health Index.The index is designed to tell if anything is wrong with the oceans and,if so,what can be done about it.
Whether you live in the United States or in the middle of Africa,you should care about what happens to the oceans.
