心肺复苏时胸外按压的频率为()A.80次/分 B.80~100次/分 C.60~10 发布时间:2017-07-08 11:24 │ 来源:www.tikuol.com 题型:单项选择题 问题: 心肺复苏时胸外按压的频率为()A.80次/分B.80~100次/分C.60~100次/分D.100次/分E.120次/分
题型:单项选择题 The old man sat in front of the television every evening, happy ___ anything that happened to be on.[ ]A. to watchB. watching C. watched D. to have watched 查看答案