1 . In high school, I did a scientific experiment. The experiment made me _______ that science could teach us a lot. It teaches us the _______ so we know where we are from. That day, I firmly _______ to be a scientist. Ever since that day, I have studied harder _______ in all my science-related subjects. After school, I do much research on how I can become a _______ scientist in the future.

One of my _______ in becoming a scientist is Barbara McClintock, who was awarded the 1983 Nobel Prize in Physiology or Medicine. At 25, she already had her PhD in botany. After that, she started her _______ as the leader in the development of maize cytogenetics (玉米细胞遗传学) and she _______ herself to that research for the rest of her life.

If I am lucky and given the _______ to achieve my ambition as a scientist, I want to be like Doctor McClintock. She ________ something that helped the other scientists ________ the things about genetics (遗传学).

I know I will be able to achieve my ________ as long as I put my heart and perseverance into it. If I achieve my goal, I will share my ________ of success with all the kids who also love science and want to become scientists. My future will be as ________ as the stars in the night sky. However, my future is still far. I will make the most of the ________ to achieve my greatest ambition of becoming a scientist.