The government ________ for three years.
A:has been in power
B:has come to power
C:as taken office
D:came into power
回答下列与配制溶液有关的问题.
关于我国地理差异的叙述正确的是( )
选择方框内合适的短语并用其正确形式填空。
be used to take possession of be likely to
set off in the style of be devoted to go through
环形导线(可看做通电螺线管的一匝)能产生磁场,其磁感线分布如图所示,则 ____点(选填“A”或“B”)的磁场较强.若将一小磁针放在环形导线的右侧,小磁针的 ____极将向导线靠近