Qian Xuesen is a pioneer in the development of China's aerospace science and technology．He is called ‘Father of China's Aerospace' and ‘King of Rockets’．

Qian was born in Shanghai on 11 December，1911．In 1934．he（A）________ from the Mechanical Engineering Department of Shanghai Jiaotong University．He then went to（B）________ in the USA，with the help of public funds In 1939，（C）he was awarded a doctorate in Aerospace and Mathematics from an American university After this．（D）he spent many years teaching and doing research work at universities in the USA．

Qian（E）returned to China in 1955．After Qian（F）left the USA，an American writer wrote an article describing the importance of Qian's theories，and the rising strength of China's national defence．Four months after Oian's return to China，he submitted a report to the State Council about using China’s aerospace industry for national defence．Based on his proposal，the State Council and the Central Military Commission set up the Committee of The Aerospace Industry．This was an important body for missile and aerospace science study，and Qian was elected a member of the committee．

As well as science，he is also interested in medicine，philosophy and music，and is good at these things，too．（G）在他90岁生日时，many leading scientists had a huge conference to honor his contribution to aerospace development．

1．在划线处A和B的空白处填入一个适当的词语：__________；__________

2．划线处C在文中指的是：______________________________

3．将划线处D改写为：it __________ __________ many years to teach and do research work

4．写出划线处E和F的同义词或近义词：__________；__________

5．将划线处G译成英语：__________________________________________________