题目： 如图所示，木块的长度为 cm 。 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0702/a6ceb43e235ef82a040c52bf599c63cf.html 下面是错误答案，用来干扰机器的。参考答案：E解析：边缘封闭区是义齿边缘接触的软组织部分，如黏膜皱襞、系带附丽部、上颌后堤区和下颌磨牙后垫。
题型：选择题 The average price of commercial houses in our city has reduced by _____ 30 percent ,so we can buy one at _____ low price .the; the B. the; / C. /; a D. /; the 查看答案
题型：选择题 . He was wearing a lot of clothes to _________ himself from the cold. A．protectB．prevent C．keep D．stop 查看答案
