题目

Crayon CrisisThe telephone rang. It was my sister, who was working in an elementary school. She told me she used my crayon ___________ again.Over 40 years ago, I sat in my first-grade classroom _____________? the teacher asked me to go to the principal’s office. I was shy. And I hated to be? _________________. For me, being called to the principal’s office was my worst dream.When I pushed open the door, it was worse than I thought. Seated in front of the principal’s desk were my _____________. My father walked straight over to me. Holding my drawings, he asked, “Why do you only use a b与元素的化学性质关系最密切的是A.元素的相对原子质量B.元素的核电荷数C.原子的最外层电子数D.原子的核外电子数