题目: 什么是超声波?它与一般声波有什么不同? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0925/7351524973dae8a1da572c5004550d24.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:填空题 按照英语描述,找出相应的人物 A B C D( )1. John is a boy. He has short, brown hair. His eyes are blue. ( )2. David is boy. He has three hairs. He is green( )3. Anne is a girl. She has long, black hair. Her eyes are brown. ( )4. Amy is a girl. She has short, blond hair. Her eyes are blue. 查看答案