题目

阅读并选择合适的单词填空。 Hello, boys and girls! My name's Liu Juan. I'm a girl. I'm ten. Look! I have two small eyes, a small nose and a big red mouth. My hair is brown and long. I like animals. They are very lovely. My favourite animal is dog. I like red best. And red apples are my favourite fruit. I have many friends. I like playing games with them. This is me! Do you like me? Can I be your friend?dog lovely with small friend （1） I have two eyes. （2） I like playing games my friends. （3） My favourite animal is . （4） I like animal2．（1）如图1是用羊角锤拔钉子的示意图，O为支点，请画出：A处所用最小力F1的方向及阻力F2．（2）在图2中作出动滑轮的杠杆示意图（标明支点、动力、阻力、及力臂）．（3）根据图3所示的电路图，在图4中用笔画线代替导线，连接实物电路（导线不能交叉，且线头必须接在接线柱上）．