题目

Dear Laura, Hi! I am Veronica, your new pen friend from Singapore. I got your name and address from the Making Pen Pals' Column in Buddies magazine and thought I'd write to you. Well, let me start by telling you something about myself. I am 13 years old and I am studying in secondary one at Westdove School. I have just finished my exams. I live with my parents and younger sister in a five room apartment. I like swimming, playing tennis and reading novels. I love the outdoors, especially the sea and I have been on several trekking (long and hard) tours abroad. I enjoy listening to both pop and 图案（1）是一张等腰直角三角形纸片，在纸片的三个角上分别画出“●”，“▲”，“■”，将纸片绕斜边中点旋转180°所得的图形和原图形拼成的图案是（ ）A．B．C．D．