题目

On the morning of my Ph. D． qualifying exam. I rolled out of bed. showered, and next came the makeup. I brushed on a layer of foundation and drew thick black lines around my eyes — a1 that signified (表达 ) the courage I wanted to show during my presentation. Then I looked in the mirror. I felt confident —2 to answer questions that would be thrown at me. It's a way I found thanks to an unlikely 3 : a famous singer. I've always 4 with being confident. As an undergraduate, I felt extremely 5 whenever I tried to answer questions from professors. Later, in graduate school, I especially “一猪生九仔，连母十个样”，这句话描述了生物的    现象．