一束单色光由左侧时的清水的薄壁圆柱比,图2为过轴线的截面图,调整入射角α,光线拾 发布时间:2017-07-27 22:55 │ 来源:www.tikuol.com 题型:问答题 问题: 一束单色光由左侧时 的清水的薄壁圆柱比,图2为过轴线的截面图,调 整入射角α,光线拾好在不和空气的界面上发生全反射,已知水的折射角为,α的值。
题型:问答题 女,38岁,经来第2天急腹痛来院。有子宫肌瘤和卵巢囊肿史,以往有痛经史,日益加重。此次剧痛,伴发热39℃肛门刺痛感。妇科检查:宫颈提前、子宫略大、右侧附件区可及4cm囊性肿块、触痛、全腹均有压痛和肌紧张。BP110/76mmHg。下列哪项疾病最可能A.卵巢囊肿扭转B.盆腔炎C.宫外孕D.子宫肌瘤红色变性E.子宫内膜异位囊肿破裂 查看答案
题型:问答题 根据句意、汉语意思及首字母提示补全单词。1. Toronto is in C ___ . 2. I have many friends all over the_____(世界). 3.What_____(语言)do you speak?4. He speaks Japanese. He is from J___ . 5.I have a pen p ___ .Her name is Mary.6. He c_____ from China.7. —Where is Sydney? —It is in A __ .8. She comes from England. She speaks E ___ .9. He _ _(住) in Paris.10. He went to many _ _ (国家) last year. 查看答案