I got a new job in Catholic University in Washington. {#blank#}1{#/blank#} a good chance, I was offered a new flat to live in. One summer vacation, {#blank#}2{#/blank#} going to the park, I had not been outside my flat, doing an experiment about a disease. The results of the experiment were {#blank#}3{#/blank#} to me and they would {#blank#}4{#/blank#} the success of my research. It is really difficult {#blank#}5{#/blank#} without enough evidence. I felt quite {#blank#}6{#/blank#}. I even doubted that the experiment would {#blank#}7{#/blank#}. Gradually, I was not {#blank#}8{#/blank#} about it. After all, too much hard work and too little rest {#blank#}9{#/blank#} illness. One night, I went out to {#blank#}10{#/blank#} a lecture by a famous philosopher. Inspired by him, I went back to continue the experiment and eventually got the {#blank#}11{#/blank#} result. How happy I was! The next day, I proudly {#blank#}12{#/blank#} that the disease was {#blank#}13{#/blank#}.