如图所示,设相同时间内物质吸收的热量相同,甲、乙两图中符合冰熔化规律的是图____(填“甲”或“乙”).这是因为c冰____(填“>”、“<”或“=”)c水,所以相同时间内____(填“冰”或“水”)升温更快.
下列关于磁场力、磁感应强度的说法中正确的是( )
如果方程xx-3=3mx-3有增根,那么m的值为( )
I am playing the piano, but now the school bell is _____. ( )
--- What do you think of his idea?
--- It sounds but it just might work.