放线菌的菌体形态呈(),革兰氏染色(),()运动,为()营养型微生物。
参考答案:分枝的丝状体;阳性;不能;化能异养
根据下表填写天气状况。
1. It's on Sunday.
2. It's on Monday.
3. It's on Saturday.
4. It's on Tuesday.
5. It's on Friday.
6. It's and on Wednesday.
7. It's on Thursday.
心脏病患者,反复发作心悸不适,来诊当天自觉较好。作心电图P波消失呈锯齿状,频率300次/分,室率75次/分。最可能的诊断是()
A.完全性房室传导阻滞
B.正常心电图
C.房性阵发性心动过速(4:1传导)
D.心房颤动
E.心房扑动(4:1传导)