题目

阅读理解    This is my first day at our new school. In the morning, I help my new teacher Mr Hu put some new English textbooks into a big box. And then I carry it to the classroom  The box is very heavy.    I walk very slowly(慢地) with the big heavy box in my arms. A boy runs very fast to me. He can't stop. Oh, dear! My box drops on the floor and there are books everywhere on the floor.    I'm very sorry, the boy says again and again. He helps me to pick up all the books. He then helps me to carry the books to our classroom    Who is he? He is my classmate. His name is Jim.我们生活在五彩缤纷的世界里，以下色彩是由化学变化呈现出来的是（ ）A．雨后彩虹B．彩色图画C．夜晚霓虹灯D．节日焰火