蓄电池产生()爆炸性极高,遇到小的火花或明火即可点燃。A、一氧化碳 B、二氧化碳 C 发布时间:2019-06-24 14:28 │ 来源:www.tikuol.com 题型:单项选择题 问题: 蓄电池产生()爆炸性极高,遇到小的火花或明火即可点燃。A、一氧化碳B、二氧化碳C、氢气D、氨气
题型:单项选择题 用所给动词的适当形式填空。 1. She used ________ (be) a history teacher. 2. Mother likes me ____ (stay) at home. 3. —Can I help you? —Yes, please. I ____ __ (look) for the information about water recycling. 4. Wang Tao seems ____ __ (have) many friends. 5. Someone ____ __ (knock) at your door when l went past there a moment ago. 查看答案
题型:单项选择题 请你从方框中选择合适的选项完成对话, 并将其字母标号填在相 应的横线上.( Mum: M Tony: T )T : Could I invite my friends to my birthday party on Saturday, Mum?M: 1.____________________T : 2.____________________M: What for?T : 3. ____________________M: Well, I am shopping tomorrow. And I can buy drinksand snacks for you. T : Oh, good. Thank you, Mum.M:4.____________________T : I cleaned it last week.M: But you need to clean it again for your party.T : 5. ____________________M: Then after you finish your homework, let's clean the room. A. Could you clean your room ?B. Sure, you can.C. I need to buy some drinks and snacks.D. OK, but I need to do my homework first.E. Could you give me some money? 查看答案
题型:单项选择题 男性,43岁。3小时前呕血1次,自觉头晕、乏力、出汗。查体:心率110次/分,四肢湿冷,肝掌,腹壁静脉曲张,超声示腹水。该患者最可能的出血原因是()A.急性胃黏膜病变B.食管癌C.食管胃底静脉曲张D.消化性溃疡E.食管贲门黏膜撕裂 查看答案