单词拼写（共10小题；每小题1分，满分10分）
No one has come up with a c_____explanation of why dinosaurs died out.
Do you give a d_____if we buy it in large quantity?
Don’t say so for sure. You left out the p_____ that the train might be late.
Xia Shuqin, the last s_____ member of the family in Nanjing Massacre(南京大屠杀), attended a memorial ceremony on the first National Memorial Day (December 13, 2014).
The university is looking forward to s_____its links with the local community.
As you can see, that was an _____(不同寻常) fast response, especially when considering that the response was put into operation without warning.
From the pictures sent back to the earth by “Spirit”, some scientists still believe in the _____(存在) of water and even life on the Mars.
She had three children, but her family and social responsibilities did not keep her from continuing her study of _____(高等) mathematics.
Peter moved ______(不自在) when I was mentioning the money he borrowed from me the other day.
When Chinese President Xi Jinping and his wife Peng Liyuan arrived at the international airport in Macao, they were greeted by the people of Macao with great ______(热情).