环调台帐填记(报表)种类有哪几种?
参考答案:
设备施工作业登记表、火灾报警确认登记本、设备故障记录表、车站温湿度记录表、调度命令登记表、交接班记录表等。
某家系有一种由X染色体上显性基因导致的遗传病,根据所学遗传学知识,推测该家系的遗传系谱图可能是[ ]
A.
B.
C.
D.
Not until you told me what had happened, ________. [ ]
A. didn’t I know anything about it
B. I knew nothing about it
C. did I know anything about it
D. had not I known anything about it