为婴幼儿进行人工呼吸时,其频率应为( )A.15~20次/分 B.20~25次/分 发布时间:2017-06-21 05:19 │ 来源:www.tikuol.com 题型:单项选择题 问题: 为婴幼儿进行人工呼吸时,其频率应为( )A.15~20次/分B.20~25次/分C.25~30次/分D.30~40次/分
题型:单项选择题 The teacher as well as the students who ______ fond of football, ______ playing together.A. are; is B. are; are C is; are D. is; is 查看答案