She said that she would do _______ she could __________ her daughter laugh.
A:what, make
B:that, make
C:what, to make
D:that, to make
若直线y=2x﹣b在x轴上的截距为1,则b=( )
一种饮料重约300g,罐上注有“蛋白质含量≥0.5%”,其中蛋白质的含量为多少克?
下列属于消化腺的是( )
如图,△P1OA1、△P2A1A2是等腰直角三角形,点P1、P2在函数y=4x(x>0)的图象上,斜边OA1、A1A2都在x轴上,则点A2的坐标是( )