单选题:This passage most probably is_________ 题目分类:中学英语 题目类型:单选题 查看权限:VIP 题目内容: This passage most probably is_________ A.a book review B.the preface of a book C.the postscript of a book D.the concluding part of a book 参考答案: 答案解析:
28岁初产妇,36周妊娠。阴道流水2小时人院。查体:阴道少量流水,色清,pH大于7,胎心率l40次/分,稀弱宫缩,宫口未 28岁初产妇,36周妊娠。阴道流水2小时人院。查体:阴道少量流水,色清,pH大于7,胎心率l40次/分,稀弱宫缩,宫口未开,估计胎儿体重2600g。以下处理错误 分类:中学英语 题型:单选题 查看答案
知等差数列{an}中,a2=5,a6=17(1)求此数列的公差d(2)求此数列的第100项a100(3)若此数列的前n项 知等差数列{an}中,a2=5,a6=17(1)求此数列的公差d(2)求此数列的第100项a100(3)若此数列的前n项和为77,求n 分类:中学英语 题型:单选题 查看答案