题目: 遮光罩是加戴在摄影镜头外边的一个附件。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2020/1111/68d008f70e4776f10417c24fa30ad082.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 My friend has returned from the UK. She ______ at Oxford for four years, during which we communicated with each other on the Internet.A.studiedB.has studiedC.had studiedD.has been studying 查看答案
题型:单项选择题 男性,22岁,腹部被拳击2小时,经查体,化验检查.X线腹透及腹腔穿刺未明确诊断,现应如何处理为宜()A.注射哌替啶止痛B.立即剖腹探查,免于误诊C.严密观察腹部体征的变化D.多活动,使体征明朗化,便于确诊E.禁饮食补液,做好术前准备 查看答案