Teaching aims:
1. Read and understand the text.
2. Get to know how to introduce someone important in history.
【知识点】
1．no doubt 无疑，确实
No doubt Taiwan is part of China. 台湾确实属于中国。
(1) I doubt whether/ if…/ There is some doubt whether/ if….
(2) There is no doubt that…/ I have no doubt that…/ I don’t doubt that…
