—What ________ they________?
—They were difficult.
A:were; like
B:do; like
C:does; like
D:was; like
(2015•四川达州)—Excuse me, could you please tell me the way to the ? I have had too much water.—Go along the street and you will find one.
小明同学在探究“电流通过导体产生热量的多少与什么因素有关”时采用了如图所示的实验装置(三个完全相同容器中密封了初温和质量都相等的空气).下列实验结果说法不正确的是( )