从蝌蚪发育成成体青蛙,其呼吸器官的变化是[ ] A.内鳃→肺 B.外鳃→内鳃→肺 发布时间:2017-05-24 10:45 │ 来源:www.tikuol.com 题型:选择题 问题: 从蝌蚪发育成成体青蛙,其呼吸器官的变化是[ ]A.内鳃→肺B.外鳃→内鳃→肺C.外鳃→肺D.外鳃→肺→内鳃
题型:选择题 选择正确的单词填在横线上补全对话。writing, that, doing, cooking, speak, call, What, reading, play, watching A: Hello! B: Hello! This is Sarah. Can I __________ to Amy, please? A: Sure. Hold on please. She's __________ a letter. Amy, here is a __________ for you. C: I'm coming. Who's __________? A: Sarah. C: Hello, Sarah. __________ are you doing? A: I'm talking to you . How's everybody doing? C: Just fine. Mom is __________ lunch. Dad is __________ newspaper. Brother is __________ homework. Sister is __________ TV.A: Let's __________ games together! C: OK! 查看答案
题型:选择题 女性,16岁,咳嗽、少痰5天,不发热,WBC5.7×109/L。肺部无异常体征,X线胸片示右下肺斑片状阴影,经红霉素治疗后好转,可能诊断()A.肺炎球菌肺炎B.金黄色葡萄球菌肺炎C.肺炎克雷伯杆菌肺炎D.绿脓杆菌肺炎E.肺炎支原体肺炎 查看答案
题型:选择题 “宇航”牌学生饮用奶每盒中装有的牛奶质量约为275_____(填上合适的单位),体积为0.25_____(填上合适的单位),由此可以估算出牛奶的密度约为______kg/m3。喝掉一半后,牛奶的密度将_____(选填“变大”、“变小”或“不变”) 查看答案
题型:选择题 男性,64岁。左腹股沟可复性包块5年。吸烟史40年,偶有咳嗽。近3个月来夜尿次数增多。查体:左侧腹股沟韧带中点上方至阴囊有一"梨形"包块6cm×8cm,平卧时可回纳腹腔,压迫内环试验阳性。X线胸片:肺纹理增多。肛门指诊:前列腺增大,中央沟消失。根据患者情况,目前的处理宜采取()。A.Bassini法疝修补术B.McVay法疝修补术C.疝成形术D.Ferguson法疝修补术E.暂不手术 查看答案