Ⅱ Search the Internet for more information about the great scientists in China, such as Qian Xuesen, Mao Yisheng, Deng Jiaxian and so on. Write down what their experiences impress you and share them with your classmates in class.

When the new China was founded, Qian Xuesen who was studying in 
America Facing so many threats, he didn't give up and successfully 
went back to China and made great contribution to his mother country.