题目

阅读理解CHi, my name is Tom. This is my nice room. I'm on the bed and my quilt is white. There is a book in my hand. I have a computer and it's on the desk. My chair is blue and it's near the desk. Welcome to my room.Hello, I'm Linda. Here is my room. A sofa, a table and a bed are in my room. The sofa is red. My computer is on the table. There is a picture on the wall. Do you like my room? Welcome to my room and I can play with you. （1） Tom's computer is on the ________. A . bed B . chair C . desk D . sofa （2） Tom is ________. A . under the bed B . on the bed 如图所示，S为光源，它发出的一条入射光线射到竖直放置的平面镜上发生反射，进入水中又折射．请作出S在平面镜中所成的像S′以及该光线在平面镜上的反射光线和进入水中的折射光线的大致方向．