缩句

①一头吸河水的老象深深地陷进了厚厚的淤泥里。

②巍峨的金字塔是世界古代建筑的一个奇迹。

③我们要努力探索大自然的奥秘。

（1）在图1中标出通电螺线管右侧条形磁体的N、S极和图中磁感线方向；

（2）如图中分别表示从凸透镜的2倍焦距和焦点处射向凸透镜的光线，请在图2中画出它们通过凸透镜后的光路图（P是与凸透镜的距离等于2倍焦距的位置）

下列对青少年健康生活认识正确的是（　　）

    Hello, my name is Betty and I'm in Class Six. I'm twelve years old. I'm American. I'm from New York. Mike is in my class and he is my good friend.

    Hi, I'm Mike. I'm from London. I'm in Class Six, too. Wang Tao is my friend. He is in my class.

    Hi, my name is Wang Tao. I'm Chinese. I'm from Hangzhou. I'm in Class Six with Betty and Mike. They are my good friends.

— Excuse me. Can you please tell me ______?
— Sure. There's a bookstore on the River Road.