题目

被子植物根的生长要靠分生区增加细胞的数量和伸长区细胞体积的增大． 答案：正确—What do you think of the play? —_______. There are many interesting characters in it. A. It is a musical play            B. It’s wonderful   C. It is a famous writer’s work   D. It is about a musician’s story