【单选题】According to the passage, who are in a position to decide whether a witness testimony is reliable?
【单选题】According to the passage, which of the following statements can not be considered as the reason of the 'smelly' house of the poor?
A.
The outdoor privy is smelly.
B.
The refrigerator has gone out of order.
C.
The housewife cannot afford the time to clean the mattress.
D.
It is costy to bury rotting garbage.
【单选题】According to the last paragraph, frontier was essentially a place of______.
A.
overlapping races and institutions
B.
interactive groups and values
C.
conflicting races and cultures
D.
various opportunities and threats
【单选题】()是将总体各单位编上序号并将号码写在外形相同纸片上掺和均匀后,再从中随机抽取,被抽中的号码说代表的单位,就是随机样本,直到抽够预先规定的样本数目为止。
【单选题】作业标设在施工线路及其邻线距施工地点两端各()米处。
【单选题】( )是将总体各单位编上序号并将号码写在外形相同的纸片上掺和均匀后,再从中随机抽取,被抽中的号码所代表的单位就是随机样本,直到抽够预先规定的样本数目为止。
【单选题】According to the passage, the maximum growth rate many not be desirable in children, for rapid growth is associated with______.
C.
scientific credentials
【单选题】( )是将总体各单位编上序号并将号码写在外形相同纸片上掺和均匀后,再从中随机抽取,被 抽中的号码说代表的单位,就是随机样本,直到抽够预先规定的样本数目为止。
【多选题】某110kV出线,母线侧隔离开关的额定电压可以选( )。
【判断题】作业标设在施工线路及其邻线距施工地点两端 500-1000m处。