A:Thanks to
B:No matter
C:According to
D:Even though
与其他动力装置相比,电动机具有哪些明显的优点?
如图,一次函数y=k1x+5(k1<0)的图象与坐标轴交于A,B两点,与反比例函数y= k2x (k2>0)的图象交于M,N两点,过点M作MC⊥y轴于点C,已知CM=1.
—Well, I do have some advice.___________, please keep quiet while eating.
从“狼吃羊,羊吃草”的食物链可以看出,狼体内的有机物最终来源于( )