过敏性接触性口炎主要是
A.Ⅰ型变态反应B.Ⅱ型变态反应C.Ⅲ型变态反应D.Ⅳ型变态反应E.以上都不是
参考答案:D
根据句意或汉语提示首字母填写单词(每小题1分,满分5分)
小题1:These are my d_______________(字典).
小题2:What color are his______________ (笔记本)?
小题3:T_______________(感谢)for the photo of your family.
小题4:Mr Zhang has three children, one is a son, the other two are d_____________
小题5:Your mother and your father are your p______________
通常电缆式地层测试在测井过程中采用自然电位曲线跟踪定位,测量点深度误差应小于±0.2m。()