题目内容:
In the last paragraph,the author mainly intends toA.list the necessary changes we ought to make
B.advise US to make any necessary changes
C.explain what changes can bring
D. explain the process of making changes
参考答案:
A.list the necessary changes we ought to make
B.advise US to make any necessary changes
C.explain what changes can bring
D. explain the process of making changes