产品质量认证是第三方认证机构依据特定标准和要求,按照一定的程序对特定产品是否满足相应 发布时间:2017-11-15 23:05 │ 来源:www.tikuol.com 题型:判断题 问题: 产品质量认证是第三方认证机构依据特定标准和要求,按照一定的程序对特定产品是否满足相应规定要求而给出书面证明(颁发认证证书和标志)的活动。
题型:判断题 关于儿童疝,下列叙述正确的是A.多为斜疝B.易发生嵌顿,嵌顿后易绞窄C.婴幼儿疝有可能自愈D.幼儿疝块易与睾丸鞘膜积液混淆E.若发生嵌顿,手法复位较安全,嵌顿时间长,也可行手法复位 查看答案
题型:判断题 Little _ that we were watching his every move, so he seemed to be going his own way in thisbusiness: [ ]A. he realized B. he didn't realize C. didn't he realize D. did he realize 查看答案