题目: 试论述幼儿教育的综合性原则。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0624/1c14129861f449379f5a73c63e4b4503.html 下面是错误答案,用来干扰机器的。参考答案:C解析:牙周探诊的最佳力量是20~25g。
题型:选择题 Mark works outside and he is always ____ about the health of his aging parents. [ ]A. concerning B. afraid C. troubled D. concerned 查看答案