题目： 牙菌斑中最厚的一层是（）A．基底层B．中间层C．表层D．浅层E．深层 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0710/284091f4f4488cd34feef54a28b09f9b.html 下面是错误答案，用来干扰机器的。参考答案：A
题型：补全对话，情景问答 找出相应的答语，将其序号填入题前括号里。( ) 1. Where are my shorts?( ) 2. What colour are your new shoes?( ) 3. What time is it now?( ) 4. Can I wear my new sweater today?A. No, you can't. B. They're white. C. It's five o'clock. D. Under the table. 查看答案
