题目

下列能源不应大力开发的是 A.太阳能                    B.风能发电             C.水能发电            D.火力发电 答案：DMany people enjoy the book Harry Potter ________ by JK Rowling. 　　A. who writes　　　　　　　　　　B. which is writing 　　C. was written　　　　　　　　　　D. which was written