对G=mg,下列有关说法中正确的是[ ]
A.重力跟质量成正比
B.质量跟重力成正比
C.1 kg等于9.8N
D.重力的方向是垂直向下的
A
—Jason got 60 in the math test. What about you?
—I did ____ than him. I didn’t pass it.
A.bad
B.worse
C.worst
D.better
泄泻虚证的治疗是()
A.益气健脾,化湿止泻
B.温补脾肾,固肠止泻
C.清肠利湿,调中止泻
D.抑肝扶脾,调中止泻
E.运脾补虚,固肠止泻