【判断题】( )经纬仪的安置是对指仪器进行对中、整平。A. 对 B. 错
【单选题】通常电压互感器的二次侧额定电压为()V。
【单选题】下列材料的蒸汽渗透系数由大到小排列正确的是 ( ) 。
【单选题】在统计学中,把随机事件发生的可能性大小称为随机事件发生的:
【单选题】The boy, wanting to be independent, ______ his father's offer of help.
【单选题】________________late, he also forgot his books.
A.
Not only the boy turned up
B.
Not only the boy turned out
C.
Not only did the boy show out
D.
Not only did the boy show up