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Nuli told us what he wanted to be a scientist when he                                    1.       
was in his childhood.He worked hard at all his lesson                                          2.       
and tried to enter into a famous university in China,                                     3.       
but he failed because the Cultural Revolution,which                                     4.       
forced him to make a living at the age of 16.He serves                                  5.       
as a farmer then a worker,but he spent his spare                                           6.       
time studied and was finally admitted into a local college.                              7.       
He often says,“Young guys,do not lose the heart                                                 8.       
when you are in trouble.Believe in yourself forever,                                     9.       
so you will surely make great progress sooner or later.”                                 10.