Science isn’t only a way to learn about the world, but it can be a way to make the world a better place. The desire to help others drove Kamisi to use science to boost the_______of people in her communities.

Kamisi, aged 17, aimed to improve_______for sickle cell disease (镰状细胞贫血病). This disease_______red blood cells to sickle, which makes it hard for those cells to_______oxygen throughout the body. Natural chemicals called flavonoids (类黄酮) were known to_______this slicking. By changing the chemical structure, she was able to boost their anti-sicking_______,

Her family is Nigerian and this disease mainly_______people of Western African origin. One day she was on a walk with her mother, and they were talking about a friend who was _______battling this disease. And her mother was telling her about the people who had it. She was_______ about them. When Kamisi had the opportunity to do research at school, the young girl immediately________that it was time for her to study this disease.

The hardest part was that she had no________ experience with science projects like this. She had the________to continue trying different things when they weren’t working, “I think the most important thing is to hold the ________that I’m capable of doing many things.I had to believe that my work is worth something and________.” Kamisi says.

Now, Kamisi is also tying changing flavonoid from vegetables. She hopes to________the powers of her chemicals over longer periods of time.

I walked into the classroom feeling nervous. It wasn’t my first time ________ on the human body. But today’s speech was ________— it centered on my own body and my ________.

When I started my career, I never ________ that I would give a speech concerning my personal medical history. I made a point of ________ myself as a perfect professor. But that changed when I suffered from breast cancer. I ________ to work while I underwent treatment, which meant signs of my chemotherapy (化疗), such as hair loss, were dearly ________. I told my students about my disease, not only to ________ curious stares but also to warn them about its potential influence on my teaching. ________, they showed me great care — sending gifts, cards and wishes.

Later, my hair grew back, but I ________ my approach to teaching. I wanted my students to see me as an ordinary person first and a professor second, and I hoped my story would make them ________ that the science they were learning was ________ to the real world. Therefore, I delivered the speech.

My disease is a great ________, affecting my life in an unfavorable way. Yet, it also helps me make ________ with my students on a personal level and show them the ________ of knowledge they’re learning. I believe my personal story is one of the most important lessons I teach them.

A brave ICU nurse, who suffered a breakdown after working through the pandemic(疫情), is running the London Marathon for charity dressed in a pint of beer costume on October 3.

Joan Laplana, a dad of three kids, ______ running after he was diagnosed(诊断)with post-traumatic stress disorder(创伤后应激障碍). He had been a nurse for 23 years and was ______ as a lead nurse. His mental health ______ when he lost a patient, who was the same age as him, with daughters the same age as his and had no underlying(潜在的)health conditions. Despite suffering from panic attacks and anxiety, Joan still wanted to ______ his work in ICU when the second wave ______ the country.

But he went to pieces during it and was diagnosed with PTSD. His mood would often change quickly and he couldn’t slept through the night. He started getting counselling. Since his new fitness plan, Joan said he wasn’t ______ medicine anymore, and for the first time in 18 months he had ______ slept through the night. He said,“ In March I joined a running ______ and on days when I can’t motivate myself, my friends from the club will message me. I knew I had to get ______ about my running when I got an email saying I got a ______ for the London Marathon. I am very proud of myself after everything that I have been through. Running has ______ my mental health. It helped with my ______ , reduced my panic attacks and improved my mood changes.”

In July 2021, Joan ______ to the top of Mount Snowdon dressed as a pint of beer also for ______ and he now hopes to beat the Guinness World Records for the ______ man to run a marathon dressed as a pint of beer.